ONIMAI: I'm Now Your Sister!

Synopsis

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.

About 4h 48m to watch every episode. An estimate: 12 episodes at the typical episode runtime of 24 minutes.

Trailer

Play trailer: Promotional Video [Subtitled]

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Main cast

• 

  Marika Kouno
  Mahiro Oyama (voice)
  12 episodes

• 

  Kaori Ishihara
  Mihari Oyama (voice)
  12 episodes

• 

  Hisako Kanemoto
  Kaede Hozuki (voice)
  12 episodes

• 

  Minami Tsuda
  Momiji Hozuki (voice)
  12 episodes

• 

  Kana Yuuki
  Asahi Ohka (voice)
  12 episodes

• 

  Natsumi Hioka
  Miyo Murosaki (voice)
  12 episodes

• 

  Yoshie Saito
  Child - Sister (voice)
  5 episodes

• 

  Misaki Watada
  Minori Shiina (voice)
  4 episodes

• 

  Miyuu Takatsuki
  Satsuki Takada (voice)
  4 episodes

• 

  Rena Aoshima
  Yuta Sakurada (voice)
  4 episodes

• 

  Rika Abe
  Minato Senkawa (voice)
  4 episodes

• 

  Emiri Suyama
  Woman B (voice)
  3 episodes

• 

  Erisa Kuon
  Hairdresser (voice)
  3 episodes

• 

  Rina Tsukishiro
  Nodoka Fushimi (voice)
  3 episodes

• 

  Sayako Tojo
  Mai Yasaka (voice)
  3 episodes

• 

  Rin Mizuki
  Mari Nishinomiya (voice)
  3 episodes

• 

  Mia Sakurai
  Nemu Fujimi (voice)
  3 episodes

• 

  Kumiko Nakane
  Watch Stand (voice)
  2 episodes

Seasons

• Season 12023 · 12 episodes