Yook Sung-jae explained

Yook Sung-jae
Image Upright:1.15
Birth Name:Yook Sung-jae
Birth Date:1995 5, mf=yes
Birth Place:Yongin, Gyeonggi Province, South Korea[1]
Agent:iWill Media[2]
Signature:Yook Sung-jae's Signature.png
Signature Size:200
Module:
Embed:yes
Years Active:2012–present
Label:Cube
Module2:
Child:yes
Headercolor:transparent
Hangul:육성재
Hanja:[3]
Rr:Yuk Seong-jae
Mr:Yuk Sŏng-chae

Yook Sung-jae (; born 2 May 1995), also known mononymously as Sungjae, is a South Korean singer, songwriter, actor, model, host and entertainer. He is a member of the boy group BtoB and its sub-group, BtoB Blue. Aside from his group's activities, Yook has acted in television dramas Reply 1994 (2013), Plus Nine Boys (2014), (2015), (2015), (2016), Mystic Pop-up Bar (2020) and The Golden Spoon (2022). He has appeared in several reality shows, including: Hitmaker, We Got Married, and Master in the House.

Yook released his debut solo album, Yook O'Clock, on March 2, 2020.

Early life and education

Yook was born on May 2, 1995, in Suji-gu, Yongin, Gyeonggi Province, South Korea. He has one older sister. Yook comes from a business family. His father is the CEO of an IT corporation that deals with semiconductors.[4] [5] His grandfather was the first to introduce red carp in South Korea, while his grandmother operated a fishing farm in Paju.[6] [7]

He briefly studied for a month in England and the Philippines, respectively.[8] He completed his high school education at Hanlim Multi Art School, graduating in 2014.[9] He then attended Dongshin University, majoring in Practical Music.[10]

Career

Pre-debut

On August 10, 2010, he participated in the stage performance of "2010 Cube Stars Party".[11]

On March 6, 2011, Yook also participated in the stage performance of "2011 CUBE Stars Party" with bandmate Seo Eunkwang, Im Hyun-sik, Jung Il-hoon, and supposed to be member Lee Min-woo.[12]

Yook entered the JYP 6th Audition Final Round before joining his current agency, Cube Entertainment.[13]

2012–2014: Debut with BtoB and solo activities

Yook made his debut as a vocalist of BtoB with "Insane" and "Imagine" on March 21, 2012.[14] [15] On March 23, 2012, Yook co-host SBS MTV's music program The Show alongside bandmate Lee Min-hyuk.[16]

In 2013, Yook Sungjae started his first ever acting debut in drama Monstar (TV series) as part of the supporting cast alongside his bandmates Lee Min-hyuk, Lee Chang-sub and Im Hyun-sik.[17] Sungjae acted as Arnold, a member of boy idol group 'Men In Black'. He appeared in 4 episodes in total, episodes 2, 6, 9, and 12. He, with BTOB's Lee Minhyuk, Lee Changsub, Im Hyunsik and Beast's Yong Jun-hyung were featured in the drama OST Part 1 titled "Days Gone By", OST Part 2 "After Time Passes", and OST Part 7 "First Love".[18] [19] [20] In the same year, Sungjae and BTOB made a cameo appearance in hit drama The Heirs episode 4 as themselves, an idol group band BTOB.[21]

In 2014, Yook appeared in the television series Reply 1994 as Sungjoon/Ssukssuk, Na-jung's little brother.[22] [23] In July 2014, Yook was cast as a presenter for the program, A Song For You alongside Kangin of Super Junior and Amber of f(x).[24] He also participated in the program Hitmaker season 1, presented by South Korean producer duo Jeong Hyeong-don and Defconn and became part of the program's project unit group, Big Byung, together with Got7's Jackson and VIXX members, N and Hyuk.[25] The group then releases two singles: "Stress Come On"[26] and "Ojingeo Doenjang" (Korean: 오징어 된장).[27] The same year, he received his first main acting role in Plus Nine Boys, playing a 19-year old Judo athlete.[28] He then joined the reality-variety program Real Men from 2014 to 2015.[29]

2015–2017: Acting and rise in popularity

Yook achieved his breakthrough when he landed a leading role in the teen drama , alongside Kim So-hyun and Nam Joo-hyuk.[30] [31] [32] He also released an OST for the show, "Love Song" with Park Hye-soo.[33] After the series ended, he experienced a rise in popularity and landed several endorsement deals.[34] Yook then starred in the horror mystery series alongside Moon Geun-young in 2015.[35] He received the "New Star award" for his performance in The Village: Achiara's Secret,[36] and won "Best Couple award" with Kim So-hyun for Who Are You: School 2015.[37]

In 2015, Yook joined King of Mask Singer, competing under the alias Tired Bumblebee, and received good feedback for his performance.[38] [39] He was paired up with Red Velvet's Joy in the fourth season of reality show We Got Married.[40] [41] The couple went on to release a duet titled "Young Love", with the pair contributing to the lyric composition of the song with the help of his bandmate BTOB's Im Hyun-sik as the producer.[42] [43] [44] At the 2015 MBC Entertainment Awards, Yook received the "Best Couple award" alongside Joy and the "Best Male Rookie (in Variety) award".[45] The couple departed from We Got Married on May 7, 2016.[46]

In September 2015, Yook became one of the trio main hosts Yook Sungjae-GOT7's Jackson Wang-and actress Kim Yoo-jung[47] of the music-program Inkigayo and left the show in May 2016.[48] [49] In 2016, Sungjae was appointed as an ambassador of the King Sejong Institution.[50] [51] He also became part of BTOB's first sub-unit, BTOB Blue, and debuted in September 2016.[52] [53]

From 2016 to 2017, Yook starred in the hit fantasy-romance drama .[54] He also joined the cast for the reality-documentary show Law of the Jungle filmed in Sumatra, Indonesia.[55] In August 2017, he participated in the digital single project, Piece of BtoB. He released the songs "Say It" and "Paradise", the latter having been personally composed and written by himself, on August 30.[56] In late 2017, he joined the cast of the reality show, Master in the House.[57]

On December 29, 2017, Cube Entertainment announced that Yook suffered a back injury and would be receiving treatment at the hospital.[58] He had symptoms of lumbar disc herniation reportedly worsened during the concert 2017 BtoB Time - Our Concert.[59] [60] On January 5, 2018, Yook attended the press conference of Master in the House. This was the first time he appeared after recuperating from a lumbar injury; he gradually resumed his activities after 2 weeks of rest.[61] [62]

2018–present: 3x2=6, Yook O'Clock, Mystic Pop-up Bar and departure from Cube Entertainment

In 2018, Yook held his first fan meeting, Paradise at TICC in Taiwan on February 11,[63] Macpherson Stadium in Hong Kong on May 19,[64] and in Manila, Philippines on July 13.[65]

In 2019, during BtoB's seventh anniversary Yook was chosen as their new leader.[66] Cube TV premiered a new reality show, "Lovely 95s" (예쁘장한 구오즈), featuring Yook on July 12.[67] It was revealed that he planned and made his close same-aged 95s friends, former Boyfriend members Youngmin, Kwangmin and Minwoo, Teen Top's Ricky and model Baek Kyung Do to have a variety show.[68]

On December 19, 2019, Cube revealed their plans for a new music project 3x2=6, which aims for Yook to release two songs every month for three months starting December 2019 and release it on various online music sites. Yook associated with the number '6' (pronounced as "yook" in Korean) to his surname 'Yook' (육), showing the wits of only Yook Sung-jae.[69] The project consists of three themes; Singer is to showcase his ability as an artist by releasing his first produced song, Human is his desire to be loved for a long time and BtoB Yook Sung-jae as his bandmates Jung Il-hoon and Peniel Shin participated in the project.[70] The project began on December 26, 2019, with the release of its first single "Yook" (뭍(陸)) and "From Winter" (겨울 속에서) as part of 3x2=6 PArt 1. "Yook" is described as a melodic modern-rock genre song with Yook participating in the lyrics and composing.[71] For 3x2=6 Part 2, Yook showed his reversed charm with "W.A.U" (What About U) and "Chicken".[72] "Chicken" is a song with clever lyrics talking about how as time passes, no matter how much trends change, just like (fried) chicken that is loved by everyone. The song was released on January 16, 2020.[73] The project concluded on February 6, 2020, with the first collaboration song between Yook and Ilhoon "HMHN" and "Hypnotized" which was performed with Peniel at 2018 BtoB Time - This Is Us concert.[74] [75]

After a three-year acting hiatus, Yook made a return to the small-screen as part of the main cast of Mystic Pop-up Bar, a JTBC drama based on a popular webtoon of the same name in early 2020.[76] [77] On February 18, Yook left the cast of Master in the House after two years on the show prior to his mandatory military service.[78] [79] Yook released his debut solo album, Yook O'Clock, on March 2, 2020, which consisted of six songs from 3X2=6 and lead single "Come with the Wind".[80] [81]

On November 6, 2023, it was announced that Yook would be leaving Cube Entertainment following the completion of his contract.[82] On December 22, iWill Media, a production company, announced that Yook has signed an exclusive contract as its first managed actor.

Personal life

Mandatory military service

On May 3, 2020, Yook announced on his Instagram that he is enlisting in mandatory military service on May 11,[83] and was confirmed by Cube.[84] According to My Daily, Yook will serve as part of the Ministry of National Defense military band after completing his five weeks of basic military training course at Nonsan Training Center.[85] [86] [87]

On May 7, 2021, Yook and Teen Top's Ricky performed "Love Blossom" (original song from K.Will) at Seoul National Cemetery Spring Contact - Free Periodical Concert as part of their military service duty as a military band. The concert was held with the theme of 'Waiting for the normal daily life before the pandemic'.[88] On June 6, Yook and Major Jeong Dong-mi hosted the 66th Memorial Day Commemoration Ceremony which was held by the Ministry of Patriots and Veterans Affairs (South Korea) in front of the Memorial Tower at the Seoul National Cemetery.[89] [90]

After taking his final military leave in October 2021, Yook announced that he would not return to his unit following the army's protocols regarding the COVID-19 pandemic.[91] He was officially discharged from military service on November 14, 2021.[92]

Philanthropy

In 2015, Yook took part in a fundraiser that auction items to the Social Welfare Community Fund for Love to support low-income children.[93] In December, 2015, SBS revealed that Yook donated 3 million to Jeonbuk National University Hospital, which was the filming location of The Village: Achiara's Secret.[94] The same year, he also participated in Briquette Sharing Campaign of the Korean Peninsula and donated briquettes to the people at Kowloon Village in Gangnam-gu, Seoul.[95]

Discography

Extended plays

Title! scope="col" rowspan="2" style="width:18em"
DetailsPeak chart positionsSales
KOR
[96]
Yook O'Clock 3

Single albums

Title! scope="col" rowspan="2"
DetailsPeak chart positionsSales
KOR
[98]
Exhibition: Look Closely
  • Released: May 9, 2024
  • Label: iWill Media
  • Formats: CD, digital download
9

Singles

TitleYearPeak chart positionsSalesAlbum
KOR
[100]
As lead artist
"That Day Long Ago"201555 King of Masked Singer Special
"Tell Me" (Korean: 말해)201736 Piece of BTOB Vol. 6
"Paradise"rowspan="6"
"Confession"[103] 201834Your BGM Vol. 2
"Yook" (Korean: 뭍 (陸))20191483x2=6 Part 1
"W.A.U" 20203x2=6 Part 2
"Come with the Wind" 107Yook O'Clock
"Be Somebody"2024Exhibition: Look Closely
Collaborations
"Stress Come On" 2014rowspan="2"
"Ojingeo Doenjang" 2015
"Photograph" [104] 29 A CUBE – For Season Blue Season 2
"Young Love" 201652 rowspan="2"
"Playing With Fire" 89
As featured artist
"On The Four Lane Road" [108] 2016 Hwang Moon Seob
Soundtrack appearances
"Past Days" 201356 Monstar OST
"After Time Passes" 32
  • KOR: 125,359
"First Love" 61
"Curious" 2014Plus Nine Boys OST
"Love Song" 20158 Who Are You: School 2015 OST
"Loving You Again"62 Scholar Who Walks The Night OST
"Ambiguous" 201737 Fight for My Way OST
"Love Resembles Memories" 2020Mystic Pop-up Bar OST
"—" denotes releases that did not chart or were not released in that region.

Songwriting credits

All credits are adapted from the Korea Music Copyright Association, unless cited otherwise.[115]

YearSongArtist(s)AlbumLyricistComposer
2016"Young Love"BBYU
(Himself with Joy)
"Melody Song" (예지앞사)BTOBNew Men
2017"Paradise"HimselfPiece of BTOB Vol. 6
2018"Hypnotized"Himself with Peniel3X2=6 Project Part 3 and Yook O'Clock
2019"Yook" (뭍 (陸))Himself3X2=6 Project Part 1 and Yook O'Clock
2024"BE SOMEBODY"EXHIBITION : Look Closely
"Without You"

Filmography

Television series

YearTitleRoleNotes
2013MonstarArnold, Men in Black Member
The HeirsHimselfCameo (Episode 4)
Reply 1994Sung Joon
2014Plus Nine BoysKang Min-gu
2015Gong Tae-kwang
Orange MarmaladeVampire Yook Sung-jaeCameo (Episode 12)[116]
Park Woo-jae
2016–2017Yoo Deok-hwa
2018Dae Jang Geum Is WatchingOh Sung-jaeCameo (Episode 16)
2020Mystic Pop-up BarHan Kang-bae
2022The Golden SpoonLee Seung-cheon[117]
2025Return to the PalaceYoon Gap[118]

Television show

YearTitleRoleNotes
2014Hitmaker Season 1Castwith Got7's Jackson, VIXX's N and Hyuk
Real MenEpisode 77–88
2014–2015A Song For You Season 3Season 3, with Super Junior's Kangin and f(x)'s Amber
2015Hitmaker Season 2with Got7's Jackson, VIXX's N and Hyuk
Invisible Man[119]
King of Mask SingerContestantTired Bumblebee (Episode 5–6), LP Boy (Special Live 2015)
2015–2016We Got MarriedCastSeason 4, with Red Velvet's Joy (Episode 276–320)
2016King of Mask SingerPanelistSpecial panelist (Episode 43–44)
Duet Song FestivalContestantwith Jang Ji-seon (Episode 5)
Battle Tripwith Seo Eun-kwang, Im Hyun-sik (Episode 16)[120] [121]
Idol Chef KingWinner with Seo Eun-kwang
2017Fantastic DuoWinner paired with Gummy Season 2: Star Wars Special (Episode 19–20)
Clenched Fist-Boat HornCast memberwith Kim Byung-man, Kim Jong-min, Yook Jong-wan, Lee Sang-min, and Kang Ye-won[122]
Celebrity Bromancewith Boyfriend's Youngmin and Kwangmin[123]
Law of the Jungle in SumatraEpisodes 256–261
2017–2020Master in the HouseWith Lee Seung-gi, Lee Sang-yoon, Yang Se-hyung & Shin Sung-rok
2019Lovely 95swith Boyfriend's Youngmin, Kwangmin, Minwoo, Teen Top's Ricky and Baek Kyung Do[124]

Hosting

YearTitleNotes
2012The Showwith Lee Min-hyuk
Best of Bestwith Woo-hee
2014Mnet Wide Custom News[126]
2014–2015A Song For You Season 3with Super Junior's Kangin and f(x)'s Amber
2015–2016Inkigayowith Kim Yoo-jung & Got7's Jackson Wang
2016Radio StarSpecial DJ ep. 495
2017DMZ Peace ConcertWith Sistar's Soyou
Korea Music Festivalwith NCT's Jeong Jae-hyun & Jang Ye-won
2018Happy TogetherSpecial host ep. 564
2020My Little Old BoySpecial MC - Episodes 180[127]
202166th Memorial Day Commemoration Ceremonywith Jeong Dong-mi

Awards and nominations

Award ceremony! scope="col"
YearCategoryNominee / WorkResult
APAN Star Awards2015Best New Actor
Baeksang Arts Awards2016Best New Actor – Television
2017Most Popular Actor – Television
KBS Drama Awards2015Best New Actor
Popularity Award, Actor
Best Couple AwardYook Sung-jae
2017Drama OST Award"Ambiguous"
Fight For My Way OST
Korea Cable TV Awards2017Rising Star Award[128]
Korea Drama Awards2015Best New Actor
2017[129]
Star of the Year Award[130]
Korea First Brand Awards2017Male Acting IdolYook Sung-jae[131]
Korea Brand & Model Awards2017Brand Model Grand Prize
MBC Drama Awards2022Top Excellence Award, Best Actor in a MiniseriesThe Golden Spoon[132]
Best Couple AwardYook Sung-jae
The Golden Spoon
[133]
MBC Entertainment Awards2015Best Male Newcomer Award (Variety)We Got Married, King of Mask Singer
Best Couple AwardYook Sung-jae
We Got Married
MTN Broadcast Advertising Festival2018CF Male Star AwardYook Sung-jae[134]
SBS Drama Awards2015New Star Award
SBS Entertainment Awards2018Excellent Award Variety DepartmentMaster in the House[135]
2019SNS Star Award[136]
Best Teamwork Award
Soompi Awards2016Best BromanceYook Sung-jae
[137]
2018Best Idol Actor Award

Notes and References

  1. Web site: 육성재. Cinefox (씨네폭스). ko. October 19, 2024.
  2. Web site: 흩어진 비투비...육성재, 아이윌미디어와 전속계약 [공식]]. BTOB scattered... Yook Sungjae, exclusive contract with iWill Media [Official]. The Korea Economic Daily. ko. Kim Soo-young. December 22, 2023. December 23, 2023.
  3. Web site: 2016-07-11 Sungjae、Hyunsik、Eunkwang Chinese autograph. September 25, 2016. August 29, 2016. https://web.archive.org/web/20160829042415/http://imgur.com/LVO8DQl. live.
  4. Web site: [spotlight] BTOB│③ 일훈, 성재's story]. ize.co.kr. ko. July 10, 2013. July 31, 2016. January 19, 2021. https://web.archive.org/web/20210119211535/https://www.ize.co.kr/articleView.html?no=2013100623107265729. live.
  5. Web site: 육성재 父, 알고보니 IT회사 대표 반전스펙 "최시원급은 안되지만..."(라스). Newsen. ko. Park. Ah-reum. May 28, 2015. July 31, 2016. December 12, 2019. https://web.archive.org/web/20191212200559/https://news.nate.com/view/20150528n00102?mid=n1008. live.
  6. Web site: [인터뷰] 비투비 육성재 "'우결' 하차, 단 한 번도 생각해 본 적 없다"]. EToday. Oh Ye-rin. March 29, 2016. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214937/http://www.etoday.co.kr/news/view/1309371. live.
  7. Web site: '집사부일체' 육성재 "韓 비단잉어, 할아버지가 최초로 수입". MyDaily. Kim Mi-ri. July 18, 2018. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607190145/http://www.mydaily.co.kr/new_yk/html/read.php?newsid=201807221906817506&ext=na. live.
  8. Web site: 'Goblin' star Yook Sung-jae keeps special place in his heart for the Philippines. Kpop Herald. July 31, 2018. December 19, 2018. July 29, 2020. https://web.archive.org/web/20200729015307/http://kpopherald.koreaherald.com/view.php?ud=201807311334233974893_2. live.
  9. Web site: 비투비 육성재 "추억 많지않아 아쉬워" 졸업소감. Newsen. ko. Lee. Ji-hyun. February 11, 2014. July 31, 2016. April 25, 2024. https://web.archive.org/web/20240425001641/https://www.starnewskorea.com/stview.php?no=2014021110024728703. live.
  10. Web site: 우리결혼했어요 육성재, 과거 "가수활동 위해 대학진학 미루기로" 대입 소신발언?. SE Daily. ko. August 2, 2015. December 19, 2018. May 4, 2021. https://web.archive.org/web/20210504170432/https://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=004&oid=011&aid=0002720054. live.
  11. Web site: 연습생의 신선한 무대~'큐브 스타스 파티'[포토엔]]. Fresh stage for trainees-"Cube Stars Party" [Photo]. Newsen. August 10, 2010. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185212/https://www.newsen.com/news_view.php?uid=201008102141081002. live.
  12. Web site: 포토큐브엔터 '5인조 신인, 데뷔할까요?'. Cube enters five-member rookie debut?. Asian Economy. Park Seong-gi. March 6, 2011. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185240/http://www.mhns.co.kr/news/articleView.html?idxno=100205. live.
  13. Web site: 육성재, 과거 JYP 오디션 영상 보니..풋풋한 얼굴 '눈길'. Yook Sung Jae, JYP audition video of the past ... MHN News. Lee Choong-hee. December 31, 2017. February 5, 2020. September 1, 2024. https://web.archive.org/web/20240901100846/https://www.newsen.com/news_view.php?uid=201008102141081002. live.
  14. Web site: 비투비(BTOB), "'본 투 비트' 세계를 압도하는 그룹 될것". Star FN News. ko.
  15. Web site: BTOB′s First Album Will Feature Two Title Songs. enewsWorld. Park. Hyun-min. March 21, 2012. July 31, 2016. August 14, 2016. https://web.archive.org/web/20160814202647/http://mwave.interest.me/en/kpop-news/article/4569/btob-will-release-two-title-tracks. dead.
  16. Web site: 비투비 이민혁-육성재, SBS MTV '더 쇼' MC발탁. Herald Corp. ko. March 20, 2012. December 19, 2018. December 8, 2015. https://web.archive.org/web/20151208154107/http://biz.heraldcorp.com/view.php?ud=20120320000747. live.
  17. News: BTOB Member to join Junhyung as 'Men in Black' for 'Monstar'. Allkpop. en. March 9, 2013. February 11, 2020. March 10, 2022. https://web.archive.org/web/20220310203010/https://www.allkpop.com/article/2013/03/btob-members-to-join-junhyung-as-men-in-black-for-monstar. live.
  18. News: Yong Junhyung and BTOB to Sing for "Monstar" OST Part 2. Soompi. en. May 23, 2013. February 11, 2020. July 17, 2021. https://web.archive.org/web/20210717170924/https://www.soompi.com/article/501561wpp/yong-jun-hyung-and-btob-to-sing-for-monstar-ost-part-2. live.
  19. News: "Days Gone By" MV Featuring BEAST's Yong Junhyung, BTOB, and Ha Yeon Soo for "Monstar" OST Released. Soompi. en. May 20, 2013. February 11, 2020. September 1, 2024. https://web.archive.org/web/20240901100719/https://www.soompi.com/article/500446wpp/days-gone-by-mv-featuring-beasts-yong-jun-hyung-btob-and-ha-yeon-soo-for-monstar-ost-released. live.
  20. News: MV Released for "First Love" Featuring Yong Junhyung and BTOB. Soompi. en. July 13, 2013. February 11, 2020. August 10, 2020. https://web.archive.org/web/20200810030533/https://www.soompi.com/article/510671wpp/mv-released-for-first-love-featuring-yong-jun-hyung-and-btob. live.
  21. News: 비투비, '상속자들' 카메오 등장, '크리스탈 기획사 소속'. TV Report. ko. October 24, 2013. February 11, 2020. March 28, 2022. https://web.archive.org/web/20220328231657/https://www.tvreport.co.kr/412465. dead.
  22. Web site: '응답하라1994' 육성재 사진 공개..정체 궁금증 UP. Osen. Hwang. Mi-hyun. October 29, 2013. July 18, 2017. August 28, 2017. https://web.archive.org/web/20170828231956/http://osen.mt.co.kr/article/G1109714625. live.
  23. Web site: 응답하라 1994 캐릭터 소개. tvN. July 18, 2017. August 8, 2017. https://web.archive.org/web/20170808120501/http://program.tving.com/tvn/reply1994/12/Contents/Html?h_seq=2. dead.
  24. Web site: Kangin, Amber and Yook Sung Jae Selected to Host 'A Song For You'. enewsWorld. Jung. Ji Won. June 9, 2014. May 22, 2015. December 20, 2018. https://web.archive.org/web/20181220230709/http://mwave.interest.me/en/kpop-news/article-print/67778/. dead.
  25. Web site: [Video] ′Hitmakers′ Unveil Hilarious Teaser for ′Big Byung′]. enewsWorld. Hong. Grace Danbi. August 13, 2014. August 18, 2017. https://web.archive.org/web/20170818174840/http://mwave.interest.me/en/kpop-news/article/73477/bigbyung-releases-teaser.
  26. Web site: Big Byung (Yook Sungjae, Jackson, N, Hyuk) Releases Goofy "Stress Come On" MV. Soompi. August 19, 2014. June 13, 2015. July 9, 2015. https://web.archive.org/web/20150709161412/http://www.soompi.com/2014/08/19/big-byung-yook-sungjae-jackson-n-hyuk-releases-goofy-stress-come-on-mv/. dead.
  27. News: Big Byung Releases New MV "Ojingeo Doenjang". Soompi. January 16, 2015. January 29, 2015. February 3, 2015. https://web.archive.org/web/20150203075000/http://www.soompi.com/2015/01/16/big-byung-releases-new-mv-ojinggeo-doenjang/. dead.
  28. Web site: BTOB's Yook Sung Jae Shares Members' Response to Upcoming Drama. enewsWorld. Go. Soo-jin. August 25, 2014. September 1, 2014. September 21, 2014. https://web.archive.org/web/20140921131316/http://mwave.interest.me/enewsworld/en/article/74381/btob-yooksungjae-talks-about-btob-members-response-to-his-drama.
  29. Web site: BTOB's Yook Sung Jae, Lim Hyung Jun and Kim Dong Hyun to Re-Appear on 'Real Man'. enewsWorld. Jeong. Jee Won. November 19, 2014.
  30. Web site: 'Who Are You' to deal with mysteries of youth. The Korea Times. Kwon. Ji-youn. April 22, 2015. May 1, 2024. September 1, 2024. https://web.archive.org/web/20240901100610/https://www.koreatimes.co.kr/www/news/culture/2015/04/135_177581.html. live.
  31. Web site: Yook Sung Jae Confirmed as Male Lead of School 2015. enewsWorld. Kim. Min-ji. March 31, 2015. April 6, 2015. April 3, 2015. https://web.archive.org/web/20150403121941/http://mwave.interest.me/enewsworld/en/article/90426/exclusive-nam-joo-hyuk-confirmed-as-male-lead-of-school-2015. dead.
  32. Web site: 'Who Are You: School 2015' Released Greeting Video of Yook Sung Jae. BNTNews. Chu. Yanchingsally. April 27, 2015. May 22, 2015. July 10, 2015. https://web.archive.org/web/20150710043105/http://www.bntnews.co.uk/app/news.php?nid=20394. live.
  33. Web site: 육성재, 오늘(16일) 정오 '후아유-학교2015' OST '러브송' 공개. Herald Pop. ko. June 16, 2015. December 19, 2018. December 21, 2018. https://web.archive.org/web/20181221041355/https://entertain.naver.com/read?oid=016&aid=0000759722. live.
  34. Web site: BTOB′s Yook Sung Jae Appears in 8 Ads in 3 Months. enewsWorld. September 24, 2015. May 23, 2017. June 8, 2017. https://web.archive.org/web/20170608140611/http://mwave.interest.me/en/kpop-news/article/98208/btobs-yook-sung-jae-appears-in-8-ads-in-3-months. dead.
  35. Web site: Moon Geun-young, Yook Sung-jae to star in mystery drama. The Korea Times. September 2, 2015. September 2, 2015. September 4, 2015. https://web.archive.org/web/20150904000229/http://www.koreatimes.co.kr/www/news/culture/2015/09/201_186076.html. live.
  36. Web site: SBS Drama Awards. HanCinema. December 31, 2015. May 23, 2017. December 17, 2021. https://web.archive.org/web/20211217164953/https://www.hancinema.net/sbs-drama-awards-2015-winners-89990.html. live.
  37. Web site: KBS Drama Awards. BNT News. December 31, 2015. May 23, 2017. July 29, 2017. https://web.archive.org/web/20170729131801/http://www.bntnews.co.uk/app/news.php?nid=27663. live.
  38. Web site: '복면가왕' 반전의 육성재 "비투비 막내가 이 정도라는 것을". My Daily. ko. May 10, 2016. May 23, 2017. August 3, 2017. https://web.archive.org/web/20170803161733/http://www.mydaily.co.kr/new_yk/html/read.php?newsid=201505101755691118&ext=na. live.
  39. Web site: Yook Sung Jae Reveals His Singing Ability In 'Mask King'. BNT News. May 11, 2015. December 19, 2018. December 20, 2018. https://web.archive.org/web/20181220230812/https://www.msn.com/en-sg/news/other/yook-sung-jae-reveals-his-singing-ability-in-%E2%80%98mask-king%E2%80%99/ar-BBjzNIv. live.
  40. Web site: Red Velvet Joy Revealed as BTOB Yook Sung Jae′s ′We Got Married′ Partner. enewsWorld. June 3, 2015. December 19, 2018. December 20, 2018. https://web.archive.org/web/20181220230501/https://www.mwave.me/kr/news/news/view/93524/red-velvet-joy-revealed-as-btob-yook-sung-jae-s-we-got-married-partner?_position=735&_cnMtCtgyId=&_sorting=mkeDay%20desc,created%20desc. dead.
  41. Web site: BTOB's Yook Sung-jae, Red Velvet's Joy to leave "We Got Married". Kpop Herald. April 17, 2016. December 19, 2018. December 21, 2018. https://web.archive.org/web/20181221041306/http://kpopherald.com/view.php?ud=201604271144315661005_2. live.
  42. Web site: '우결' 측 "조이♥육성재, '어린애(愛)' 뮤비+음원 16일 공개". Sports Donga. ko. April 15, 2016. May 23, 2017. July 28, 2017. https://web.archive.org/web/20170728141739/http://sports.donga.com/3/all/20160415/77606784/1. live.
  43. Web site: 조이♥육성재, '어린애(愛)'. Melon. ko. April 16, 2016. May 13, 2016. December 25, 2020. https://web.archive.org/web/20201225130522/https://www.melon.com/song/detail.htm?songId=8147756. live.
  44. Web site: '우결' 육성재 조이, 임현식표 듀엣곡 듣고 '만족'. Sports Today. ko. December 3, 2016. February 11, 2020. December 5, 2021. https://web.archive.org/web/20211205052929/http://stoo.asiae.co.kr/article.php?aid=26193762343. dead.
  45. Web site: MBC연예대상2015 조이 뉴스타상 받고 육성재에게 "오빠 나 상 받았어". Chic News. ko. December 29, 2015. May 23, 2017. October 26, 2017. https://web.archive.org/web/20171026213511/http://chicnewsm.mk.co.kr/article.php?aid=145139435588323006#_adinctep. live.
  46. Web site: '우결' 육성재조이, 눈물로 11개월 마무리 "쀼 안녕" (종합). Naver. ko. January 6, 2019. August 6, 2017. https://web.archive.org/web/20170806142131/http://entertain.naver.com/read?oid=311&aid=0000605199. live.
  47. News: [단독] 육성재, 대세 다운 행보...'인기가요' 스페셜MC 발탁]. My Daily. ko. July 5, 2015. February 11, 2020. September 1, 2024. https://web.archive.org/web/20240901100631/https://m.entertain.naver.com/article/117/0002628419. live.
  48. Web site: [단독] 육성재, '인기가요' MC 합류...홍종현 공석 채운다]. Osen. ko. Park. So-young. September 3, 2015. July 9, 2017. December 9, 2018. https://web.archive.org/web/20181209165515/https://entertain.naver.com/read?oid=109&aid=0003149076. live.
  49. Web site: 육성재, '인기가요' MC 하차 "잭슨-김유정 고마워". Osen. ko. Park. Hyun-min. May 29, 2016. July 9, 2017. July 28, 2017. https://web.archive.org/web/20170728140708/http://entertain.naver.com/read?oid=109&aid=0003327918. live.
  50. Web site: 비투비 육성재 세종학당 홍보대사 된다 20일 위촉식. ko. May 15, 2016. May 20, 2016. June 7, 2020. https://web.archive.org/web/20200607185239/https://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=103&oid=005&aid=0000898286. live.
  51. Web site: 육성재 '무더위 날리는 시원한 미소'. My Daily. ko. Yoo. Jin-hyeong. May 20, 2016. May 20, 2016. September 1, 2024. https://web.archive.org/web/20240901100614/https://m.entertain.naver.com/article/117/0002766340. live.
  52. Web site: [단독] 육성재, '인기가요' MC 합류...홍종현 공석 채운다]. Osen. Park. So-young. September 3, 2015. July 9, 2017. December 9, 2018. https://web.archive.org/web/20181209165515/https://entertain.naver.com/read?oid=109&aid=0003149076. live.
  53. Web site: BTOB to Debut First Unit BTO! B-BLUE. enewsWorld. Cho. He-jin. September 13, 2016. July 9, 2017. July 30, 2017. https://web.archive.org/web/20170730211740/http://mwave.interest.me/en/kpop-news/article/108557/btob-to-debut-first-unit-bto-b-blue-all-kpop-news. dead.
  54. Web site: BTOB's Yook Sung-jae cast for new drama 'Goblin'. Kpop Herald. Son. Ji-hyoung. September 6, 2016. May 23, 2017. August 28, 2017. https://web.archive.org/web/20170828231250/http://kpopherald.koreaherald.com/view.php?ud=201609061522082184486_2. live.
  55. Web site: [단독] 곽시양·육성재, 김세정 이어 '정법' 인도네시아 편 합류]. TV Report. ko. Son. Hyo-jung. January 17, 2017. January 17, 2017. August 16, 2018. https://web.archive.org/web/20180816194550/https://entertain.naver.com/read?oid=213&aid=0000940361. live.
  56. Web site: BTOB Yook Sungjae to Release Single. BNT News. August 24, 2017. January 18, 2018. June 7, 2020. https://web.archive.org/web/20200607185213/http://bntnews.co.uk/app/news.php?nid=33721. live.
  57. Web site: [단독]"내년 아닌 올해..." '집사부일체' 31일 첫방송]. Ilgan Sports. Kim. Jin-seok. December 22, 2017. January 18, 2018. September 1, 2024. https://web.archive.org/web/20240901100632/https://m.entertain.naver.com/now/article/241/0002739619. live.
  58. Web site: 육성재, 허리부상 활동 중단..비투비 6인 체제 활동 (공식). Yook Sungjae, back injury... BTOB 6 people for the time being. Newsis. Lee Jae-hoon. December 29, 2017. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607190108/http://www.nbnnews.co.kr/news/articleView.html?idxno=365417. live.
  59. Web site: 큐브 측 "허리 부상 육성재, '춤 절대 불가' 진단받아". Cube side "Sungjae's waist injury, 'no dance' diagnosed". No Cut News. Kim Hyun-sik. December 29, 2017. February 5, 2020. September 1, 2024. https://web.archive.org/web/20240901100632/https://www.nocutnews.co.kr/news/4899818. live.
  60. Web site: 비투비 육성재 "허리부상으로 활동 중단...디스크 악화". BTOB Sungjae "Discontinued due to back injury... Disk worsened". Viva 100. Oh Soo-jeong. December 29, 2017. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185213/http://www.viva100.com/main/view.php?key=20171229010010512. live.
  61. Web site: '집사부일체' 육성재 "허리부상, 빠른 속도로 회복...걱정 끼쳐 죄송". Asia Today. January 5, 2018. February 5, 2020. September 1, 2024. https://web.archive.org/web/20240901100747/https://gum.criteo.com/syncframe?origin=publishertagids&topUrl=www.asiatoday.co.kr. live.
  62. Web site: [집사부일체] 육성재 '예능요정'으로 성장]. Star News. January 5, 2011. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185214/http://www.starnewsk.com/starnews/news_view.php?article=0000000014760&cg1=. live.
  63. Web site: 《鬼怪》劉德華唱〈醜八怪〉 台粉讓陸星材哭了. Mirror Weekly. February 12, 2018. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214932/https://www.mirrormedia.mg/story/20180212insight001/. live.
  64. Web site: BTOB 陸星材到香港不忘隊友 大叫:恩光傻瓜. Hong Kong 01. May 19, 2018. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214936/https://www.hk01.com/%E9%9F%93%E8%BF%B7/190101/btob-%E9%99%B8%E6%98%9F%E6%9D%90%E5%88%B0%E9%A6%99%E6%B8%AF%E4%B8%8D%E5%BF%98%E9%9A%8A%E5%8F%8B-%E5%A4%A7%E5%8F%AB-%E6%81%A9%E5%85%89%E5%82%BB%E7%93%9C. live.
  65. Web site: The Gentle Sungjae. Business World. Cecille Santillan-Visto. July 24, 2018. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214933/https://www.bworldonline.com/the-gentle-sungjae/. live.
  66. Web site: 서은광 제대할 때까지 비투비 '리더' 맡게 돼 세상 신난 '막내' 육성재. Insight. March 22, 2019. June 21, 2019. March 31, 2019. https://web.archive.org/web/20190331181749/https://www.insight.co.kr/news/217955. live.
  67. Web site: "비투비·틴탑·보이프렌드까지"...'예쁘장한 구오즈', 95년생 '현실 절친' 모였다. Ten Asia. June 20, 2019. June 21, 2019. June 21, 2019. https://web.archive.org/web/20190621142254/http://tenasia.hankyung.com/archives/1746949. live.
  68. Web site: 육성재 "직접 기획하고 만든 웹 예능, 동갑 절친들과 만들었다"[화보]]. Sports Chosun. June 20, 2019. June 21, 2019. June 21, 2019. https://web.archive.org/web/20190621142252/https://n.news.naver.com/entertain/article/076/0003431540. live.
  69. Web site: 비투비 육성재, 오는 26일 솔로 출격! '3X2=6' 3개월 동안 매달 2곡 발표. iMBC. December 20, 2019. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214934/http://enews.imbc.com/News/RetrieveNewsInfo/272801. live.
  70. Web site: 육성재 프로젝트 싱글 마지막 주제는 '비투비 육성재'. Yook Sungjae's Project Single The final theme is 'BTOB Yook Sungjae'. EDaily. Yoon Ki-baek. February 4, 2020. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185213/https://www.edaily.co.kr/news/read?newsId=01485846625667240&mediaCodeNo=258. live.
  71. Web site: 비투비 육성재, 프로젝트 싱글 '3X2=6 Part 1' 하이라이트 음원 공개. Osen. December 24, 2019. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214931/http://osen.mt.co.kr/article/G1111282581. live.
  72. Web site: 육성재, 16일 프로젝트 싱글 '3X2=6=Part2' 발표(공식). Star News. January 10, 2020. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607185221/https://star.mt.co.kr/stview.php?no=2020011020505937342. live.
  73. Web site: 육성재, 신곡 'W.A.U(왓 어바웃 유)' 하이라이트 음원 공개...반전 매력 예고. TenAsia. January 15, 2020. February 5, 2020. January 16, 2020. https://web.archive.org/web/20200116211912/http://tenasia.hankyung.com/archives/1896197. live.
  74. Web site: 비투비 육성재, 6일 프로젝트 싱글 '3X2=6 Part 3' 발표. Munhwa. February 4, 2020. February 5, 2020. September 1, 2024. https://web.archive.org/web/20240901101101/http://www.munhwa.com/news/view.html?no=20200204MW084047390341. live.
  75. Web site: 비투비 육성재, 6일 프로젝트 싱글 '3X2=6 Part 3' 트랙리스트 공개. BTOB Sungjae Unveils Tracklist for Single Project '3X2=6 Part 3'. NBN News. Hong Sung-hoon. February 5, 2020. February 5, 2020. June 7, 2020. https://web.archive.org/web/20200607190108/http://www.nbnnews.co.kr/news/articleView.html?idxno=365417. live.
  76. Web site: 'Double Decker' announces its stars. Korea JoongAng Daily. June 8, 2019. February 25, 2020. June 7, 2020. https://web.archive.org/web/20200607185219/https://koreajoongangdaily.joins.com/news/article/article.aspx?aid=3064008. live.
  77. Web site: 황정음-육성재, JTBC '쌍갑포차' 출연. KookBang. August 29, 2019. September 4, 2019. September 4, 2019. https://web.archive.org/web/20190904074526/https://kookbang.dema.mil.kr/newsWeb/m/20190829/24/BBSMSTR_000000010060/view.do. dead.
  78. Web site: '원년멤버' 이상윤·육성재, 2년여만에 '집사부일체' 하차(종합). News1. February 18, 2020. February 18, 2020. June 7, 2020. https://web.archive.org/web/20200607185219/https://www.news1.kr/articles/?3845738. live.
  79. Web site: [공식입장] 육성재 측 "'집사부일체' 하차...'쌍갑포차'·앨범 준비 중"]. MyDaily. February 18, 2020. February 18, 2020. September 1, 2024. https://web.archive.org/web/20240901101108/https://mydaily.co.kr/page/view/2020021814464503582. live.
  80. Web site: [공식]비투비 육성재, 3월 2일 스페셜 앨범 발매...데뷔 후 첫 솔로 앨범]. SportsChosun. February 18, 2020. February 18, 2020. April 18, 2023. https://web.archive.org/web/20230418163518/https://sportschosun.com/news/utype.htm?id=202002180100125690008272&ServiceDate=20200217. live.
  81. Web site: It's 'Yook O'clock' for Yook Sung-jae. Korea JoongAng Daily. February 20, 2020. February 25, 2020. February 25, 2020. https://web.archive.org/web/20200225210850/http://koreajoongangdaily.joins.com/news/article/Article.aspx?aid=3074012. live.
  82. Web site: 비투비, 큐브와 재계약 실패, "11년 동거 종료". BTOB fails to renew contract with Cube, "Ending 11 years together. Naver. Star Today. ko. Shin. Young-eun. November 6, 2023. November 6, 2023. November 6, 2023. https://web.archive.org/web/20231106062206/https://entertain.naver.com/read?oid=009&aid=0005210397. live.
  83. News: ko:비투비 육성재, 11일 군악병 입대 "멋진 모습으로 돌아올 것". BTOB Yoo Sung-jae, enlisted in the military service on the 11th "will come back in great shape". http://isplus.live.joins.com/news/article/article.asp?total_id=23768724. Daily Sports. ko. May 3, 2020. May 11, 2020. May 10, 2020. https://web.archive.org/web/20200510172154/http://isplus.live.joins.com/news/article/article.asp?total_id=23768724. live.
  84. News: ko:큐브 측 "육성재 5월 11일 입대...장소 및 시간 비공개" [공식]. https://sports.donga.com/article/all/20200504/100901639/1. Sports Donga. ko. May 4, 2020. May 11, 2020. September 1, 2024. https://web.archive.org/web/20240901101105/https://sports.donga.com/article/all/20200504/100901639/1. live.
  85. News: ko:[단독] 비투비 육성재, 육군 군악병 합격...11일 비공개 입소. http://www.mydaily.co.kr/new_yk/html/read.php?newsid=202005041157566636&ext=na. MyDaily. ko. May 4, 2020. May 11, 2020. September 1, 2024. https://web.archive.org/web/20240901101216/https://www.mydaily.co.kr/page/view/2020050411575606636. live.
  86. News: ko:Cube's Hyunsik Lim, Sungjae Yook, Jinho enlisted on the 11th. https://nc.asiae.co.kr/view.htm?idxno=2020051114290248319. News Culture. ko. Kwon Su-bin. May 11, 2020.
  87. News: ko:[DAY컷] 육성재 훈련소 근황, 각 잡힌 미소. https://sports.donga.com/article/all/20200519/101124250/1. The Dong-a Ilbo. ko. May 19, 2020.
  88. Web site: ko:현충원, 2021 봄 정기음악회...육성재·리키 듀엣 공연. Hyeonchungwon, 2021 spring regular concert... Yook Sungjae and Ricky duet performance. https://www.news1.kr/articles/?4298840. News1. Kim. Jeong-geun. May 7, 2021. June 18, 2021. June 24, 2021. https://web.archive.org/web/20210624201752/https://www.news1.kr/articles/?4298840. live.
  89. Web site: ko:6일 서울현충원서 제66회 현충일 추념식...전국서 '1분 묵념'. The 66th Memorial Day Memorial Ceremony at Seoul Memorial Hall on the 6th...'One minute of silence' nationwide. https://www.yna.co.kr/view/AKR20210604143100504?input=1195m. Yonhap News Agency. Jeon. Bit-na. June 4, 2021. June 18, 2021. June 24, 2021. https://web.archive.org/web/20210624200918/https://www.yna.co.kr/view/AKR20210604143100504?input=1195m. live.
  90. Web site: ko:오늘(6일)자 비현실적인 미모로 '현충일 추념식' 사회 본 '비투비' 육성재. Today (6th), 'BTOB' hosted the 'Memorial Day Memorial Ceremony' with unrealistic looks Yook Sungjae. https://www.insight.co.kr/news/342052. Insight. Jeong. Hyun-tae. June 6, 2021. June 18, 2021. June 18, 2021. https://web.archive.org/web/20210618211900/https://www.insight.co.kr/news/342052. live.
  91. Web site: [팝업★]비투비 육성재 "지난달 미복귀 전역..평범한 일상 그리웠다"]. [Pop-up★] BTOB's Yook Sungjae "I was discharged from the military without returning last month..I missed my ordinary life". Naver. Herald Pop. ko. Jeon Hye-yeon. October 1, 2021. October 1, 2021. October 1, 2021. https://web.archive.org/web/20211001141944/https://entertain.naver.com/now/read?oid=112&aid=0003482339. live.
  92. Web site: 육성재, 전역 이후 셀카로 전한 훈훈한 근황..기대되는 행보. Yook Sungjae, a warm up-to-the-minute selfie after being discharged from the military.. Expected steps. Osen. ko. Park. Pan-seok. November 14, 2021. November 14, 2021. November 14, 2021. https://web.archive.org/web/20211114135604/http://osen.mt.co.kr/article/G1111693076. live.
  93. Web site: 문근영ㆍ육성재, 사회복지공동모금회 애장품 기부. Yonhap News. October 8, 2015. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214932/https://www.yna.co.kr/view/MYH20151008008400038. live.
  94. Web site: 육성재, SBS '아치아라의 비밀' 촬영한 전북대병원에 기부. Yonhap News. Yoon Go-eun. December 3, 2015. February 5, 2020. February 5, 2020. https://web.archive.org/web/20200205214936/https://www.yna.co.kr/view/AKR20151203102200033. live.
  95. Web site: 블랙야크 사랑의 연탄나눔배달. Newsis. December 12, 2015. February 5, 2020. September 1, 2024. https://web.archive.org/web/20240901101152/https://www.newsis.com/error/. live.
  96. Web site: Yook O'clock (Week 10, 2020). Gaon Chart. ko. March 12, 2020. June 7, 2020. https://web.archive.org/web/20200607185214/http://gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&targetTime=10&hitYear=2020&termGbn=week. live.
  97. Web site: Circle Chart. ko:2020년 Album Chart. 2020 Album Chart. Gaon Music Chart. ko. July 18, 2020. July 13, 2020. https://web.archive.org/web/20200713013522/http://www.gaonchart.co.kr/main/section/chart/album.gaon?nationGbn=T&serviceGbn=&termGbn=year&hitYear=2020&year_time=1. live.
  98. Web site: Exhibition: Look Closely (Week 19, 2024). Circle Chart. ko. May 16, 2024. May 23, 2024. https://web.archive.org/web/20240523150437/https://circlechart.kr/page_chart/album.circle?nationGbn=T&targetTime=19&hitYear=2024&termGbn=week&yearTime=3. live.
  99. Cumulative Sales of Exhibition: Look Closely:
    • Web site: Circle Album Chart – May, 2024. Circle Chart. ko. June 9, 2024. June 7, 2024. https://web.archive.org/web/20240607082406/https://circlechart.kr/page_chart/album.circle?nationGbn=T&targetTime=05&hitYear=2024&termGbn=month&yearTime=3. live.
    • Web site: Circle Album Chart – Week 23, 2024. Circle Chart. ko. June 13, 2024. June 14, 2024. https://web.archive.org/web/20240614114700/https://circlechart.kr/page_chart/album.circle?nationGbn=T&targetTime=23&hitYear=2024&termGbn=week&yearTime=3. live.
  100. Web site: Gaon Digital Chart. Gaon Chart. Korea Music Content Industry Association. ko. February 2, 2016. August 19, 2019. https://web.archive.org/web/20190819220632/http://www.gaonchart.co.kr/main/section/chart/online.gaon. live.
    • Web site: Past Days. Gaon Chart. May 19–25, 2013. May 20, 2017. February 28, 2015. https://web.archive.org/web/20150228043849/http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=22&hitYear=2013&termGbn=week. live.
    • Web site: After Time Passes. Gaon Chart. May 26 – June 1, 2013. May 20, 2017. January 16, 2021. https://web.archive.org/web/20210116174852/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=23&hitYear=2013&termGbn=week. live.
    • Web site: First Love. Gaon Chart. July 14–20, 2013. May 20, 2017. August 13, 2017. https://web.archive.org/web/20170813224110/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=30&hitYear=2013&termGbn=week. live.
    • Web site: Photograph. June 6, 2015. December 27, 2016. June 11, 2015. https://web.archive.org/web/20150611023105/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=24&hitYear=2015&termGbn=week. live.
    • Web site: Love Song. June 20, 2015. December 27, 2016. April 2, 2016. https://web.archive.org/web/20160402134445/http://www.gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=ALL&termGbn=week&hitYear=2015&targetTime=26&nationGbn=T. live.
    • Web site: That Day Long Ago. June 27, 2015. dead. https://web.archive.org/web/20150703133640/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=27&hitYear=2015&termGbn=week. July 3, 2015.
    • Web site: Loving You Again. August 1, 2015. December 27, 2016. March 7, 2016. https://web.archive.org/web/20160307222101/http://gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=ALL&termGbn=week&hitYear=2015&targetTime=32&nationGbn=T. live.
    • Web site: Young Love. April 23, 2016. December 27, 2016. October 8, 2016. https://web.archive.org/web/20161008173535/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=17&hitYear=2016&termGbn=week. live.
    • Web site: Playing With Fire. December 25, 2016. May 20, 2017. June 26, 2022. https://web.archive.org/web/20220626074238/http://www.gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=ALL&termGbn=week&hitYear=2016&targetTime=53&nationGbn=T. live.
    • Web site: Ambiguous. June 17, 2017. June 22, 2017. https://web.archive.org/web/20180113031005/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T. January 13, 2018. dead.
    • Web site: Tell Me. Gaon Chart. August 27 – September 2, 2017. September 7, 2017. September 7, 2017. https://web.archive.org/web/20170907024945/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=35&hitYear=2017&termGbn=week. live.
    • Web site: Yook. Gaon Chart. December 22–28, 2019. January 2, 2020. November 25, 2016. https://web.archive.org/web/20161125050200/http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=52&hitYear=2019&termGbn=week. live.
    • Web site: Come with the Wind. Gaon Chart. March 1–7, 2020. March 12, 2020. November 18, 2020. https://web.archive.org/web/20201118192219/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=ALL&targetTime=10&hitYear=2020&termGbn=week. live.
  101. Cumulative sales of "That Day Long Ago":
    • Web site: Gaon Download Chart 2015 Week 27. Korea Music Content Industry Association. December 27, 2016. July 3, 2015. https://web.archive.org/web/20150703081359/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=27&hitYear=2015&termGbn=week. dead.
    • Web site: Gaon Download Chart 2015 Week 28 (Domestic). Korea Music Content Industry Association. December 27, 2016. December 7, 2017. https://web.archive.org/web/20171207192046/http://gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=S1020&termGbn=week&hitYear=2015&targetTime=28&nationGbn=K. live.
  102. Web site: Gaon Download Chart 2017 Week 35. Korea Music Content Industry Association. September 7, 2017. September 7, 2017. https://web.archive.org/web/20170907124107/http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=35&hitYear=2017&termGbn=week. live.
  103. News: 비투비 육성재, 오늘(6일) '늑대의 유혹' OST 리메이크 '고백' 발매. BTOB Yook Sungjae, 'Temptation of Wolves' OST remake 'Confession' releases today 6th. Herald Pop. ko. September 6, 2018. September 6, 2018. September 6, 2018. https://web.archive.org/web/20180906161726/https://m.entertain.naver.com/read?oid=112&aid=0003070133&l. live.
  104. Web site: [Video] A Pink's Nam Joo and BTOB's Yook Sung Jae Get Together for a 'Photograph' in New Song]. enewsWorld. Hong. Grace Danbi. June 2, 2016. July 9, 2017. July 6, 2017. https://web.archive.org/web/20170706121620/http://mwave.interest.me/en/kpop-news/article/93438/video-a-pinks-nam-joo-and-btobs-yook-sung-jae-get-together-for-a-photograph-in-new-song. live.
  105. Cumulative sales of "Photograph":
    • Web site: Gaon Download Chart June 2015. Korea Music Content Industry Association. December 27, 2016. September 26, 2018. https://web.archive.org/web/20180926195250/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=06&hitYear=2015&termGbn=month. live.
  106. Cumulative sales of "Young Love":
    • Web site: Gaon Download Chart April 2016. Korea Music Content Industry Association. December 27, 2016. November 8, 2018. https://web.archive.org/web/20181108224505/http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=04&hitYear=2016&termGbn=month. live.
  107. Web site: 2016 Gaon Download Chart – Week 53. May 20, 2017. January 6, 2017. https://web.archive.org/web/20170106010729/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=53&hitYear=2016&termGbn=week. live.
  108. Web site: 긱스 루이X비투비 육성재, 깜짝 콜라보 예고. 10Asia. ko. April 16, 2016. May 13, 2016. June 2, 2016. https://web.archive.org/web/20160602204108/http://stoo.asiae.co.kr/news/naver_view.htm?idxno=2016041609260360635. live.
  109. Cumulative sales of "On The Four Lane Road":
    • Web site: Gaon Download Chart 2016 Week 17. Korea Music Content Industry Association. December 27, 2016. May 13, 2016. https://web.archive.org/web/20160513121418/http://gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=S1020&termGbn=week&hitYear=2016&targetTime=17&nationGbn=T. live.
  110. Web site: Gaon Download Chart – June, 2013. May 3, 2017. July 29, 2017. https://web.archive.org/web/20170729184133/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=05&hitYear=2013&termGbn=month. live.
  111. Web site: 2013 Gaon Download Chart Week 30. May 3, 2017. March 5, 2017. https://web.archive.org/web/20170305002138/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=30&hitYear=2013&termGbn=week. live.
  112. Cumulative sales of "Love Song":
    • Web site: Gaon Download Chart 2015 Week 26. Korea Music Content Industry Association. December 27, 2016. March 4, 2016. https://web.archive.org/web/20160304205658/http://www.gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=26&hitYear=2015&termGbn=week. live.
    • Web site: Gaon Download Chart 2015 Week 27. Korea Music Content Industry Association. December 27, 2016. July 3, 2015. https://web.archive.org/web/20150703081359/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=27&hitYear=2015&termGbn=week. dead.
    • Web site: Gaon Download Chart 2015 Week 28. Korea Music Content Industry Association. December 27, 2016. July 11, 2015. https://web.archive.org/web/20150711050842/http://www.gaonchart.co.kr/main/section/chart/online.gaon?serviceGbn=S1020&termGbn=week&hitYear=2015&targetTime=28&nationGbn=T. live.
  113. Cumulative sales of "That Day Long Ago":
    • Web site: Gaon Download Chart 2015 Week 32. Korea Music Content Industry Association. December 27, 2016. August 21, 2015. https://web.archive.org/web/20150821075434/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=32&hitYear=2015&termGbn=week. live.
    • Web site: Gaon Download Chart 2015 Week 33. Korea Music Content Industry Association. December 27, 2016. November 25, 2016. https://web.archive.org/web/20161125050200/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=33&hitYear=2015&termGbn=week. live.
  114. Cumulative sales for "Ambiguous":
    • Web site: 2017 Gaon Download Chart – Week 24. June 22, 2017. July 8, 2019. https://web.archive.org/web/20190708151534/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=24&hitYear=2017&termGbn=week. live.
    • Web site: 2017 Gaon Download Chart – Week 25. June 29, 2017. July 2, 2017. https://web.archive.org/web/20170702192355/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=25&hitYear=2017&termGbn=week. live.
    • Web site: 2017 Gaon Download Chart – Week 26. July 6, 2017. July 8, 2017. https://web.archive.org/web/20170708202551/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=26&hitYear=2017&termGbn=week. live.
    • Web site: 2017 Gaon Download Chart – Week 27. July 13, 2017. November 25, 2016. https://web.archive.org/web/20161125050200/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=27&hitYear=2017&termGbn=week. live.
    • Web site: 2017 Gaon Download Chart – Week 28. July 20, 2017. August 27, 2017. https://web.archive.org/web/20170827200720/http://gaonchart.co.kr/main/section/chart/online.gaon?nationGbn=T&serviceGbn=S1020&targetTime=28&hitYear=2017&termGbn=week. live.
  115. Web site: Songs Registered Under YOOK SUNGJAE (10013003). KOMCA. November 7, 2024.
  116. Web site: ㅎㅎ...들켜버렸네.... Twitter. ko. July 24, 2015. March 3, 2023. November 24, 2022. https://web.archive.org/web/20221124205048/https://mobile.twitter.com/BTOB_6SJ/status/624599905554706432. live.
  117. Web site: 육성재, 웹툰 원작 드라마 '금수저' 캐스팅...내년 첫방송 [공식]]. Yook Sungjae, cast in the webtoon-based drama 'Gold Spoon'... First broadcast next year [Official]. Naver. My Daily. ko. Yang Yu-jin. November 30, 2021. November 30, 2021. November 29, 2021. https://web.archive.org/web/20211129234548/https://entertain.naver.com/now/read?oid=117&aid=0003559072. live.
  118. Web site: 육성재, 1인 2역 연기 펼친다..'귀궁' 남자 주인공 출연 확정(공식). Yook Sung-jae, plays two roles.. Confirmed to appear as the male lead in 'Gwigung' (Official). Herald Pop. ko. Ga-hee. Kang. July 19, 2024. July 19, 2024. July 19, 2024. https://web.archive.org/web/20240719033726/https://m.entertain.naver.com/article/112/0003709782. live.
  119. Web site: Yook Sung Jae Is Coming To 'Invisible Man'. BNT News. February 10, 2015. June 10, 2015. September 23, 2015. https://web.archive.org/web/20150923193152/http://www.bntnews.co.uk/app/news.php?nid=18120. live.
  120. Web site: '배틀트립' 지상렬-김종민, LOVE 조형물 앞에서 인증샷. Herald Corp. ko. July 30, 2016. June 8, 2018. October 26, 2020. https://web.archive.org/web/20201026022708/http://pop.heraldcorp.com/view.php?ud=201607302252583519324_1. live.
  121. Web site: '배틀트립' 비투비 은광, 예능감이 살아있네(종합). Herald Corp. ko. July 31, 2016. June 8, 2018. October 26, 2020. https://web.archive.org/web/20201026022440/http://pop.heraldcorp.com/view.php?ud=201607302330163681648_1. live.
  122. Web site: [단독] 이상민·김종민·육성재, '주먹쥐고 뱃고동' 합류..1일 녹화]. Osen. Naver. ko. Park. Jin-young. December 27, 2016. December 28, 2016. March 2, 2018. https://web.archive.org/web/20180302164034/http://entertain.naver.com/read?oid=109&aid=0003454045. live.
  123. Web site: '꽃브로' 비투비 육성재, 보이프렌드 영민-광민 형제와 '겨울 여행'. 10Asia. Naver. ko. Lee. Eun-jin. January 3, 2017. January 17, 2017. March 2, 2018. https://web.archive.org/web/20180302164032/http://entertain.naver.com/read?oid=312&aid=0000230184. live.
  124. Web site: 愉快なクオズ-95s-. dTV Japan. ja. September 4, 2019. September 4, 2019. December 13, 2019. https://web.archive.org/web/20191213054427/https://pc.video.dmkt-sp.jp/ti/10024902?campaign=sht10024902. live.
  125. Web site: 넷플릭스 '좀비버스' 시즌2, 태연·권은비·육성재 출연. Netflix's 'Zombieverse' Season 2, Taeyeon, Kwon Eun-bi, and Yook Sung-jae to Appear. ko. Yonhap News Agency. May 9, 2024. Hwang Jae-ha.
  126. Web site: 비투비, 오늘보다 더 성장할 내일의 비투비(인터뷰). TenAsia. Naver. ko. May 8, 2014. December 19, 2018. May 4, 2021. https://web.archive.org/web/20210504170328/https://entertain.naver.com/read?oid=312&aid=0000031483. live.
  127. Web site: '미우새' 스페셜 MC 육성재, 뜻밖의 화끈 입담으로 '맘심(心)스틸러' 등극. Sports Chosun. ko. March 6, 2020. October 1, 2021. October 1, 2021. https://web.archive.org/web/20211001164454/https://sports.chosun.com/news/ntype.htm?id=202003060100048400002917&servicedate=20200306. live.
  128. Web site: [케이블대상] '도깨비' 대상 영예, 4관왕 꽃길 걸었다(종합)]. enews24. ko. March 10, 2017. May 23, 2017. August 22, 2018. https://web.archive.org/web/20180822113526/http://enews24.tving.com//news/article.asp?nsID=1174755. dead.
  129. Web site: [2017KDA]육성재·고원희, 남녀 신인상 수상 "영광이고 감사해"]. Herald Pop. ko. October 2, 2017. October 2, 2017. November 24, 2021. https://web.archive.org/web/20211124000431/https://entertain.naver.com/read?oid=112&aid=0002962343&gid=999339&cid=1071866. live.
  130. Web site: 육성재, 2관왕 '올해의 스타상' 수상..."꿈을 좇는 배우 되겠다"(코리아드라마어워즈). TenAsia. ko. October 2, 2017. October 2, 2017. June 7, 2020. https://web.archive.org/web/20200607185222/https://entertain.naver.com/now/read?oid=312&aid=0000283227. live.
  131. Web site: [공식] 소미·청하·육성재·정채연, 2018년 이끌 브랜드 선정]. My Daily. ko. Lee Seung-gil. November 6, 2017. November 8, 2017. November 8, 2017. https://web.archive.org/web/20171108094904/http://www.mydaily.co.kr/new_yk/html/read.php?newsid=201711061352721170&ext=na. live.
  132. Web site: 이종석, 'MBC 연기대상' 6년 만 대상 "20대 때와 다른 느낌" [종합]]. Lee Jong-suk, 'MBC Drama Awards' grand prize in 6 years "Feels different from when I was in my 20s" [Comprehensive]. Naver. Hankook Ilbo. ko. Jeong. Han-byul. December 30, 2022. December 30, 2022. December 30, 2022. https://web.archive.org/web/20221230150353/https://entertain.naver.com/read?oid=469&aid=0000715868. live.
  133. Web site: 이종석X임윤아→박주현X김영대..'2022 MBC 연기대상' 베스트커플 후보 공개. Lee Jong-suk X Im Yoon-a → Park Joo-hyun X Kim Young-dae...'2022 MBC Drama Awards' Best Couple Candidates Revealed. Naver. Osen. ko. Choi Na-young. December 19, 2022. December 19, 2022. December 19, 2022. https://web.archive.org/web/20221219150255/https://entertain.naver.com/now/read?oid=109&aid=0004759770. live.
  134. Web site: SK하이닉스, 2018 MTN 방송광고 대상 수상. MTN. ko. July 19, 2018. July 19, 2018. July 19, 2018. https://web.archive.org/web/20180719114232/http://news.mtn.co.kr/newscenter/news_viewer.mtn?gidx=2018071910385525475. live.
  135. Web site: '집사부일체' 육성재, 막내 우수상 받았어요 [포토]]. MKculture. ko. December 29, 2018. December 31, 2018. December 31, 2018. https://web.archive.org/web/20181231143720/https://m.entertain.naver.com/read?oid=410&aid=0000543901&lfrom=twitter. live.
  136. Web site: 'SBS연예대상' 유재석, 대상+'런닝맨' 6관왕 싹쓸이...백종원 공로상[종합]]. TV리포트. December 28, 2019. December 29, 2019. December 28, 2019. https://web.archive.org/web/20191228161256/https://www.tvreport.co.kr/2025351. dead.
  137. Web site: Announcing the Results of the 11th Annual Soompi Awards 2015. Soompi. February 23, 2016. November 10, 2019. November 8, 2020. https://web.archive.org/web/20201108211850/https://www.soompi.com/article/825111wpp/announcing-the-results-of-the-11th-annual-soompi-awards-2015. live.