| Mina Ōba | |
| Birth Date: | 3 April 1992 |
| Birth Place: | Kanagawa Prefecture, Japan |
| Occupation: | Japanese idol, singer, actress |
| Years Active: | 2009 - 2022 |
| Module: | |
is a former member of the Japanese idol girl group SKE48 of which she was captain of Team KII. Before, she was a member and captain of Team 4, but she was suspended due to her scandal and she returned in January 2012, she was transfer to Team B in 2012 when original Team 4 was disbanded in AKB48.[1]
On October 9, 2021, Ōba announced that she will graduate from SKE48 and leave the idol industry in April 2022, the time of her 30th birthday.[2] Her 3-part graduation concert was on April 1 to 3 (the final day being her 30th birthday celebration).[3] Her final theater performance was on April 23.[4] She was supposed to officially graduate from the group on April 30,[5] but she tested positive for COVID-19 on April 29, the day before her planned graduation. Her graduation date was postponed to May 21.[6]
On January 28, 2023, Oba announced her marriage to Fukuoka SoftBank Hawks baseball player Shuta Ishikawa.[7]
| Year | No. | Title | Role | Notes |
|---|---|---|---|---|
| 2010 | 16 | "Ponytail to Shushu" | B-side | Sang on "Boku no Yell" |
| 19 | "Chance no Junban" | B-side | Sang on "Fruit Snow" | |
| 2011 | 20 | "Sakura no Ki ni Narō" | B-side | Sang on "Ōgon Center" |
| 21 | "Everyday, Katyusha" | B-side | Sang on "Yankee Soul" | |
| 22 | "Flying Get" | B-side | Sang on "Dakishimecha Ikenai" and "Seishun to Kizukanai Mama" | |
| 2012 | 26 | "Manatsu no Sounds Good!" | B-side | Sang on "Mitsu no Namida" |
| 27 | "Gingham Check" | B-side | Sang on "Show fight!" | |
| 28 | "Uza" | B-side | Sang on "Seigi no Mikata ja Nai Hero" | |
| 29 | "Eien Pressure" | B-side | Sang on "Watashitachi no Reason" | |
| 2013 | 30 | "So Long!" | B-side | Sang on "Sokode Inu no Unchi Funjau kane?" and "Waiting Room" |
| 31 | "Sayonara Crawl" | B-side | Sang on "Romance Kenjū" | |
| 32 | "Koi Suru Fortune Cookie" | B-side | Sang on "Kondo Koso Ecstasy" | |
| 33 | "Heart Electric" | B-side | Sang on "Kaisoku to Doutai Shiryoku" and "Tiny T-shirt" | |
| 34 | "Suzukake Nanchara" | A-side | First A-side. Also sang on "Escape" as a concurrent member of SKE48 | |
| 2014 | 35 | "Mae shika Mukanee" | B-side | Sang on "Konjo" |
| 36 | "Labrador Retriever" | A-side | ||
| 37 | "Kokoro no Placard" | B-side | Sang on "Seikaku ga Warui Onna no Ko" | |
| 38 | "Kibōteki Refrain" | B-side | Sang on "Utaitai" | |
| 2015 | 39 | "Green Flash" | B-side | Sang on "Sekai ga Naiteru Nara" |
| 41 | "Halloween Night" | B-side | Sang on "Sayonara Surfboard" | |
| 2016 | 43 | "Kimi wa Melody" | B-side | Sang on "Gonna Jump" |
| 45 | "Love Trip / Shiawase o Wakenasai" | B-side | Sang on "Densetsu no Sakana" | |
| 46 | "High Tension" | B-side | Sang on "Better", Haruka Shimazaki's graduation song | |
| 2017 | 47 | "Shoot Sign" | B-side | Sang on "Vacancy" |
| 48 | "Negaigoto no Mochigusare" | B-side | Sang on "Ima Para" | |
| 49 | "
| B-side | Sang on "Darashinai Aishikata" | |
| 2018 | 51 | "Jabaja" | B-side | Sang on "Ai no Moake" |
| 53 | "Sentimental Train" | A-side | ||
| 54 | "No Way Man" | B-side | Sang on "Soredemo Kanojo wa" |
| Year | No. | Title | Role | Notes | |
|---|---|---|---|---|---|
| 2013 | 12 | "Utsukushii Inazuma" | A-side | First single with SKE48 as a concurrent member. Also sang on "Futari dake no Parade" | |
| 13 | "Sansei Kawaii!" | A-side | Also sang on "Zutto Zutto Saki no Kyou" | ||
| 2014 | 14 | "Mirai to wa?" | A-side | Last single as a concurrent member. Also sang on "S-ko to Usohakkenki" | |
| 15 | "Bukiyō Taiyō" | A-side | First single after she was fully moved to SKE48's Team KII. Also sang on "Coming soon", "Tomodachi no Mama de" and "Sayonara Kinou no Jibun" | ||
| 16 | "12 Gatsu no Kangaroo" | A-side | Also sang on "DADA Machine Gun" and "Ai no Rule" | ||
| 2015 | 17 | "Coquettish Jūtai Chū" | A-side | Also sang on "Konya wa Join us!" and "Yoru no Kyoukasho" | |
| 18 | "Maenomeri" | A-side | Also sang on "Shozo ga kono Boku wo Damenisuru" | ||
| 2016 | 19 | "Chicken LINE" | A-side | Also sang on "Tabi no Tochuu" and "Kiss Position" | |
| 20 | "Kin no Ai, Gin no Ai" | A-side | Also sang on "Happy Rankings" | ||
| 2017 | 21 | "Igai ni Mango" | A-side | Also sang on "En wo Egaku" and "Kiseki no Ryuuseigun" | |
| 2018 | 22 | "Muishiki no Iro" | A-side | Also sang on "Yoake no Coyote" and "We're Growing Up" | |
| 23 | "Ikinari Punch Line" | A-side | Also sang on "Dareka no Mimi" and "Hana no Kaori no Symphony " | ||
| 24 | "Stand by You" | A-side | Also sang on "Ketobashita Nochi de Kuchizuke wo", "Jimotomintachi yo" and "Kamisama wa Misutenai" | ||
| 2019 | 25 | "Frustration" | A-side | Also sang on "Game Shimasen ka?" | |
| 2020 | 26 | "Sōyūtoko Aru yo ne?" | A-side | ||
| 2021 | 27 | "Koiochi Flag" | A-side | ||
| 28 | "Ano Koro no Kimi wo Mitsuketa" | A-side | |||
| 2022 | 29 | "Kokoro ni Flower" | A-side | Last Single where she participated in. Also sang on "Umare Kawatte mo", her graduation song |