Onimai Explained

Onimai: I'm Now Your Sister!
Ja Kanji:お兄ちゃんはおしまい!
Ja Romaji:Onii-chan wa Oshimai!
Genre:Comedy, slice of life
Author:Nekotofu
Publisher:Ichijinsha
First:2017
Volumes:8
Type:tv series
Director:Shingo Fujii
Studio:Studio Bind
Network:AT-X, Tokyo MX, BS11
First:January 5, 2023
Last:March 23, 2023
Episodes:12
Portal:yes

is a Japanese manga series written and illustrated by Nekotofu. The series has been serialized online since 2017; it is also currently serialized in Ichijinsha's Monthly Comic Rex magazine since April 2019. It is licensed in English by Kodansha USA. An anime television series adaptation by Studio Bind aired from January to March 2023; it gained high ratings, although it received a mixed reception from foreign critics.

Plot

The series follows Mahiro Oyama, an otaku and NEET who lives alone with his scientist younger sister Mihari. One day he wakes up to find himself transformed into a young girl, a result of one of Mihari's experiments. Mahiro must now learn to become comfortable in his new body whilst living life as a middle school girl.

Characters

[1]
  • The protagonist of the series, Mahiro was previously an otaku man living with his younger sister Mihari until he was turned into a girl as a result of one of her experiments. Mahiro ends up transferring to a middle school. Mahiro is fond of playing video games and mainly stayed at home before being turned into a girl.
    [1]
  • Mahiro's younger sister and a scientist. She turned Mahiro into a girl as a result of one of her experiments. Due to her high intelligence, she skipped several grades and is now a university student.
    Mihari's classmate during middle school and a gyaru. She is Momiji's older sister. She is good at cooking and using cosmetics. She also works part-time at a fast food restaurant.
  • Kaede's younger sister and Mahiro's classmate. She has a tomboyish personality and greatly admires Mahiro. She has been friends with Asahi for several years.
  • [2]
  • Mahiro's classmate. She has an energetic personality but tends to not perform well in tests. She also calls Mahiro by many nicknames.
    [2]
  • Mahiro's classmate. She is interested in yuri and tries to hide it poorly. She enjoys imagining her friends in romantic situations. Miyo is notably bustier than her classmates and embarrassed about it.
    Mahiro's classmate who joins during their second year of middle school. She is a bright, yet shy girl who is the ward of Mihari's faculty advisor Chitose Azuma, who is having her monitor Mahiro without Mihari's knowledge. After revealing to Mahiro that she knows the truth about her, she is quickly accepted into Mahiro's group of friends. She is very knowledgeable due to the many hours she spent in the university library, and speaks in a very polite tone with everyone she encounters.
  • Mihari's faculty advisor and senpai at the university Mihari attends, as well as Nayuta's guardian. She made key contributions that allowed for the creation of the drug that turned Mahiro into a girl. Although Mihari believes that she did this out of the goodness of her heart, she is actually using Mihari to fulfill an unknown agenda and enrolled Nayuta into the same class as Mahiro to spy on her without Mihari's knowledge.

    • Production

    Prior to creating the series, Onimais author, Nekotofu, was a fan of the "gender bender" genre of anime and manga that included such works as Ranma ½, , and .[3] As such, Nekotofu had harbored a longtime interest in creating his own such series, and was inspired to do so after seeing Your Name.[4] [5] He was also motivated by the positive response to a doujinshi he had created which also featured similar gender-bending elements. Nekotofu began self-publishing Onimai on Pixiv in January 2017, and later on Niconico Seiga, where it became significantly more popular. In April 2019, the manga began serialization in Ichijinsha's Monthly Comic Rex magazine. Nekotofu continues to self-publish the series online and produce doujinshi with permission from Ichijinsha.

    Media

    Manga

    Written and illustrated by Nekotofu, Onimai: I'm Now Your Sister! began serialization online via Pixiv and other platforms in 2017. It also started in Ichijinsha's Monthly Comic Rex magazine on April 27, 2019.[6] As of November 2023, eight volumes have been released by Ichijinsha. In North America, Kodansha USA is publishing the series digitally in English.[7]

    Volumes

    Anime

    An anime television series adaptation was announced on April 22, 2022. It is produced by Studio Bind and chief directed by Shingo Fujii, with Michiko Yokote as head writer, character designs handled by Ryo Imamura, and music composed by Daisuke Achiba and Alisa Okehazama.[8] [9] The series aired from January 5 to March 23, 2023, on AT-X and other networks.[10] The opening theme song is by Enako feat. P Maru-sama, while the ending theme song is by Marika Kōno, Kaori Ishihara, Hisako Kanemoto, and Minami Tsuda.[11] Crunchyroll has licensed the series outside of Asia.[12] Medialink has licensed the series in Asia-Pacific.[13]

    Episodes

    Reception

    Accolades

    Onimai: I'm Now Your Sister! ranked fifth in Da Vinci's Next Manga Award 2018 in the web manga category in August 2018,[14] and ranked ninth in Web Manga Overall Election 2019 in October 2019.[15] The manga also ranked third in AnimeJapan's Manga We Want to See Animated Ranking in 2020,[16] and ranked seventh in 2021.[17]

    Critical reception

    The series received positive reviews and was ranked by viewers in Japan as the top-rated TV anime of the Winter 2023 season on both Niconico and anime ranking website Anikore.jp.[18] [19] One Japanese-language reviewer, writing for 4Gamer.net, echoed positive sentiments regarding its music and art style.[20] Shoki Ota, writing for , said the series was remarkable for its meticulous depiction of everyday life, and said, "While it might not be for everyone due to its gender swap themes, it feels like a condensed work amid the recent 'anime festival', making it a must-see this season".[21]

    In early English-language coverage of the series, the critical response to Onimai's first few episodes were mixed[22] [23] despite the high user ratings.[24] Some reviewers criticized the first episode's premise and lolicon themes, and perceived incestuous overtones, while praising the animation and music, which was near-universally deemed to be of exceptional quality.[25] Rebecca Silverman was softer in her criticisms, describing the fan service as "relatively toned down" but stated that the narrative premise was too "mean" for her to enjoy and squandering its potential.

    Kim Morrissy, reviewing the anime for Anime News Network, was more positive, saying "Onimai is the best anime of the season." Morrissy strongly praised the narrative, humor, art, and animation production, particularly the work of series director Shingo Fujii, who previously worked on Precure.[26] [27] They also characterized the story as broadly relatable for its perceived theme of growing to accept significant personal changes. [28] Sakugablog also mentioned Onimai multiple times in their Sakugabooru Animation Awards 2023 for Best Show, Best Animation Design, and other categories but did not give it any awards.[29]

    Popularity

    In February 2023, fans of Onimai sent numerous gifts to the staff of Studio Bind, the production studio of the anime, which series director Shingo Fujii posted photos of in a tweet voicing thanks for the support.[30] [31]

    Notes and References

    1. Web site: Dempsey . Liam . ONIMAI: I'm Now Your Sister! Slice of Life Manga Gets TV Anime Adaptation . . April 22, 2022 . April 22, 2022 . September 28, 2022 . https://web.archive.org/web/20220928221235/https://www.crunchyroll.com/anime-news/2022/04/21-1/onimai-im-now-your-sister-slice-of-life-manga-gets-tv-anime-adaptation . live .
    2. Web site: Pineda . Rafael Antonio . ONIMAI: I'm Now Your Sister! Anime's 2nd Video Reveals More Cast & Staff, January 5 Debut . . December 4, 2022 . December 4, 2022 . December 5, 2022 . https://web.archive.org/web/20221205031158/https://www.animenewsnetwork.com/news/2022-12-04/onimai-im-now-your-sister-anime-2nd-video-reveals-more-cast-and-staff-january-5-debut/.192570 . live .
    3. Web site: Onimai author Nekotofu talks building an audience for original content - Overcoming obstacles to produce an anime during the pandemic . 2023-04-02 . pixivision . March 9, 2023 . en . March 21, 2023 . https://web.archive.org/web/20230321131306/https://www.pixivision.net/en/a/8555 . live .
    4. Web site: 2022-12-28 . TVアニメ『お兄ちゃんはおしまい！』作者・ねことうふ＆高野麻里佳（緒山まひろ役）、石原夏織（緒山みはり役）、金元寿子（穂月かえで役）、津田美波（穂月もみじ役）らの放送直前座談会が公開!! アニバース . 2023-04-02 . ja . March 28, 2023 . https://web.archive.org/web/20230328151646/https://aniverse-mag.com/archives/155650 . live .
    5. Web site: スペシャル . 2023-04-02 . TVアニメ『お兄ちゃんはおしまい！』公式サイト . ja . June 2, 2022 . https://web.archive.org/web/20220602072651/https://onimai.jp/ . live .
    6. Web site: ja:真面目なロリコン教師とおませなJSの恋愛攻防戦「マジメ教師と幼女」REXで始動 . https://natalie.mu/comic/news/329723 . . Natasha, Inc. . April 27, 2019 . April 22, 2022 . ja . May 17, 2022 . https://web.archive.org/web/20220517185753/https://natalie.mu/comic/news/329723 . live .
    7. Web site: Mateo . Alex . Kodansha Comics Licenses Fate/Grand Order -Epic of Remnant- Pseudo-Singularity III, That's My Atypical Girl, ONIMAI, More Manga . . April 22, 2022 . June 25, 2021 . April 22, 2022 . https://web.archive.org/web/20220422063816/https://www.animenewsnetwork.com/news/2021-06-24/kodansha-comics-licenses-fate-grand-order-epic-of-remnant-pseudo-singularity-iii-that-my-atypical-/.174400 . live .
    8. Web site: Pineda . Rafael Antonio . ONIMAI: I'm Now Your Sister! Gender-Bending Comedy Manga Gets TV Anime . . April 22, 2022 . April 22, 2022 . October 7, 2022 . https://web.archive.org/web/20221007043801/https://www.animenewsnetwork.com/news/2022-04-21/onimai-im-now-your-sister-gender-bending-comedy-manga-gets-tv-anime/.184875 . live .
    9. Web site: ja:「お兄ちゃんはおしまい！」PV第1弾到着、金元寿子＆津田美波がドラマCDから続投決定 . https://natalie.mu/comic/news/489214 . . Natasha, Inc. . August 12, 2022 . August 12, 2022 . ja . October 10, 2022 . https://web.archive.org/web/20221010211806/https://natalie.mu/comic/news/489214 . live .
    10. Web site: Pineda . Rafael Antonio . ONIMAI: I'm Now Your Sister! Anime's Video Reveals More Cast, January 2023 Premiere . . August 12, 2022 . August 11, 2022 . August 12, 2022 . https://web.archive.org/web/20220812014744/https://www.animenewsnetwork.com/news/2022-08-11/onimai-im-now-your-sister-anime-video-reveals-more-cast-january-2023-premiere/.188583 . live .
    11. Web site: Cayanan . Joanna . ONIMAI: I'm Now Your Sister! Anime Reveals Theme Song Artists . . September 25, 2022 . September 25, 2022 . September 25, 2022 . https://web.archive.org/web/20220925133542/https://www.animenewsnetwork.com/news/2022-09-25/onimai-im-now-your-sister-anime-reveals-theme-song-artists/.190172 . live .
    12. Web site: Mateo . Alex . Crunchyroll Announces Release Schedule for Winter 2023 Anime Season . . December 15, 2022 . December 14, 2022 . December 14, 2022 . https://web.archive.org/web/20221214235324/https://www.animenewsnetwork.com/news/2022-12-14/crunchyroll-announces-release-schedule-for-winter-2023-anime-season/.192925 . live .
    13. Web site: 《ONIMAI: I'm Now Your Sister!》 is arriving on Ani-One Asia ULTRA!. YouTube. December 20, 2022. December 21, 2022. December 21, 2022. https://web.archive.org/web/20221221081603/https://www.youtube.com/post/UgkxJTWPUxSCeRTyVgAW8Jg9x2dw2so0WFvF. live.
    14. Web site: ja:「次にくるマンガ大賞 2018」が決定！ コミックス部門『来世は他人がいい』、Webマンガ部門『先輩がうざい後輩の話』. https://ddnavi.com/news/482042/a/. DaVinci Web. ja. May 9, 2022. November 27, 2020. https://web.archive.org/web/20201127072923/https://ddnavi.com/news/482042/a/. dead.
    15. Web site: ja:今もっとも愛されているWebマンガは…！？「WEBマンガ総選挙2019」結果発表. https://prtimes.jp/main/html/rd/p/000000039.000035885.html. PR TIMES. October 17, 2019 . May 9, 2022. ja. June 2, 2022. https://web.archive.org/web/20220602133928/https://prtimes.jp/main/html/rd/p/000000039.000035885.html. live.
    16. Web site: ja:「アニメ化してほしいマンガランキング」結果発表！『SPY×FAMILY』『極主夫道』などがランクイン！ . https://nijimen.net/topics/69352 . Nijimen . May 9, 2022 . ja . March 24, 2020 . June 2, 2022 . https://web.archive.org/web/20220602032231/https://nijimen.net/topics/69352 . live .
    17. Web site: Luster . Joseph . Top 10 Manga Fans Want to Be Animated According to Anime Japan Poll . Crunchyroll . en-us . May 9, 2022 . June 2, 2022 . https://web.archive.org/web/20220602041920/https://www.crunchyroll.com/anime-news/2021/03/27-1/top-10-manga-fans-want-to-be-animated-according-to-anime-japan-poll . live .
    18. Web site: 2023年冬アニメランキング . April 4, 2023 . Niconico . April 2, 2023 . https://web.archive.org/web/20230402131151/https://anime.nicovideo.jp/ranking/2023-winter.html . ja.
    19. Web site: 2023年冬(1月～3月)に放送されたTVアニメ動画一覧 . April 3, 2023 . https://web.archive.org/web/20230403155836/https://www.anikore.jp/chronicle/2023/winter/ac:tv/ . April 4, 2023 . Anikore . ja.
    20. News: maru . February 2, 2023 . そうだ アニメ，見よう：第174回は女の子になってしまったダメニートの物語「お兄ちゃんはおしまい！」。無職転生のスタッフによる注目作 . . February 18, 2023 . February 17, 2023 . https://web.archive.org/web/20230217100911/https://www.4gamer.net/games/338/G033856/20230124036/ . live .
    21. Web site: 『ぼっち・ざ・ろっく！』から『お兄ちゃんはおしまい！』まで 作画アニメの才能と表現の繋がり . 2023-05-05 . 太田祥暉 . 2023-02-19 . .
    22. Web site: The Winter 2023 Anime Preview Guide - ONIMAI: I'm Now Your Sister! . January 20, 2023 . Anime News Network . en . January 20, 2023 . https://web.archive.org/web/20230120135857/https://www.animenewsnetwork.com/preview-guide/2023/winter/onimai-im-now-your-sister/.193136 . live .
    23. Web site: January 12, 2023 . Anime worth checking out in Winter 2023 . January 23, 2023 . KGUN 9 Tucson News . en . January 23, 2023 . https://web.archive.org/web/20230123101432/https://www.kgun9.com/entertainment/anime-worth-checking-out-in-winter-2023 . live .
    24. Web site: Knight . Thomas . Onimai: I'm Now Your Sister! – Series Review Best of Winter 2023 . NookGaming . March 23, 2023 . 3 January 2024.
    25. Web site: Catwell . Cy . January 6, 2023 . ONIMAI: I'm Now Your Sister! – Episode 1 . live . https://web.archive.org/web/20230120100433/https://www.animefeminist.com/onimai-im-now-your-sister-episode-1/ . January 20, 2023 . January 20, 2023 . Anime Feminist . en-US.
    26. Web site: Morrissy . Kim . January 27, 2023 . ONIMAI: I'm Now Your Sister! ‒ Episode 4 . January 28, 2023 . Anime News Network . en . January 28, 2023 . https://web.archive.org/web/20230128000528/https://www.animenewsnetwork.com/review/onimai-im-now-your-sister/episode-4/.194222 . live .
    27. Web site: Morrissy . Kim . ONIMAI: I'm Now Your Sister! Episode 12 . Anime News Network . 4 January 2024.
    28. Web site: Morrissy . Kim . January 20, 2023 . ONIMAI: I'm Now Your Sister! ‒ SERIES PREMIERE . live . https://web.archive.org/web/20230121000407/https://www.animenewsnetwork.com/review/onimai-im-now-your-sister/episodes-1-3/.193988 . January 21, 2023 . January 21, 2023 . Anime News Network . en.
    29. Web site: Sakugabooru Animation Awards 2023 . SakugaBlog . 4 January 2024.
    30. Web site: McDonald . Sean . February 18, 2023 . Anime Fans Support Ecchi Anime Onimai by Sending the Production Crew Food . February 19, 2023 . CBR . en . February 19, 2023 . https://web.archive.org/web/20230219000228/https://www.cbr.com/fans-support-ecchi-anime-onimai-with-food/ . live .
    31. Web site: Lee . Choo Sum . 2024-06-09 . ONIMAI: I'm Now Your Sister! Production Team Receives Tons of Gifts from Fans . 2024-06-09 . Anime News Network . en.

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