Onimai: I'm Now Your Sister!
Oniichan wa Oshimai!
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.
Cast
👤
Marika Kôno
Mahiro Oyama
Kaori Ishihara
Mihari Oyama
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Hisako Kanemoto
Kaede Hozuki
Minami Tsuda
Momiji Hozuki
👤
Kana Yûki
Asahi Ouka
Natsumi Hioka
Miyo Murosaki
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Yoshie Saitô
Tomoya Kiba
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Yoshie Saitô
Child - Younger Sister
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Yoshie Saitô
Eroge Voice
Misaki Watada
Minori Shiina
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Rika Abe
Minato Senkawa
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Miyuu Takatsuki
Satsuki Takada
![Promotional Video [Subtitled]](https://img.youtube.com/vi/pvnrSpb109U/hqdefault.jpg)
![Official Trailer [Subtitled]](https://img.youtube.com/vi/DxlzZgMeNr4/hqdefault.jpg)
