ONIMAI: I'm Now Your Sister!

ONIMAI: I'm Now Your Sister! (2023)

  • Genre: Animation, Comedy
  • First Air Date: 2023-01-05
  • Last Air Date: 2023-03-23
  • Total Seasons: 1
  • Total Episodes: 12
  • Status: Ended
  • Episode Runtime: 24 min.
  • Production Company: Studio Bind
  • Production Country: Japan
  • Networks: AT-X
star 7.1/10
From 28 Ratings


When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.

  • Keywords: slice of life, middle school, based on manga, junior high school, school life, anime, gender swap, age change, gender bender, middle school girls
  • ONIMAI: I'm Now Your Sister! Trailer

    Is ONIMAI: I'm Now Your Sister! on Netflix?

    Yes! The serie ONIMAI: I'm Now Your Sister! is now on Netflix in the countries listed below.

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    ONIMAI: I'm Now Your Sister! Seasons

    Season 1

    First Air Date: 2023-01-05
    12 Episodes

    ONIMAI: I'm Now Your Sister! Episodes

    No episodes found.
    • Marika Kouno

      as Mahiro Oyama (voice)
    • Kaori Ishihara

      as Mihari Oyama (voice)
    • Hisako Kanemoto

      as Kaede Hozuki (voice)
    • Minami Tsuda

      as Momiji Hozuki (voice)
    • Kana Yuuki

      as Asahi Ohka (voice)
    • Natsumi Hioka

      as Miyo Murosaki (voice)
    Directing Shingo Fujii Series Director
    Writing Michiko Yokote Series Composition
    Visual Effects Ryo Imamura Character Designer
    Sound Daisuke Achiwa Original Music Composer
    Sound Alisa Okehazama Original Music Composer
    Art Masayo Kobayashi Art Direction
    Visual Effects Makiko Doi Color Designer
    Camera Akane Fushihara Director of Photography
    Editing Yuji Oka Editor
    Sound Kohei Yoshida Sound Director
    Sound Takuya Hasegawa Sound Effects
    Sound Marika Kouno Theme Song Performance
    Sound Kaori Ishihara Theme Song Performance
    Sound Hisako Kanemoto Theme Song Performance
    Sound Minami Tsuda Theme Song Performance
    Sound Enako Theme Song Performance
    Sound Pmarusama Theme Song Performance
    Production Keiji Ota Executive Producer
    Production Fumiki Yamazaki Executive Producer
    Production Katsuyuki Imai Executive Producer
    Production Asuka Yamazaki Executive Producer
    Production Katsuya Tasaki Executive Producer
    Production Sosuke Asano Executive Producer
    Production Kazunari Okuma Executive Producer
    Production Ryu Takahashi Executive Producer
    Production Hirotaka Kaneko Executive Producer
    Production Norio Fukui Executive Producer
    Production Nobuhiro Oosawa Executive Producer
    Visual Effects miton Lead Animator
    Visual Effects Yuki Matsuguma Lead Animator
    Visual Effects Genki Uchiyama Lead Animator
    Visual Effects Kay Yu Lead Animator
    Sound Yoshiki Kobayashi Music Producer
    Production Kazutaka Yamanaka Executive Producer
    Production Atsushi Takahashi Executive Producer
    Production Katsuhiro Takei Executive Producer
    Production Takurou Hatakeyama Producer
    Production Mitsuteru Hishiyama Producer
    Sound Naomi Fujita Sound Mixer
    Art Hiroshi Inoue Assistant Director of Photography
    Crew Mitsuki Tsugioka Special Effects
    Art Masayuki Niitsuma Art Designer
    Crew Nekotoufu Creator