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

Animation Comedy
rating icon7.1

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.

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Where to Watch ONIMAI: I'm Now Your Sister! ?? Platform : Crunchyroll logoCrunchyroll

Seasons & Episodes Guide - Complete Episode List by Season

Season 1
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ONIMAI: I'm Now Your Sister! Cast and Characters - Full Details

Marika Kouno Marika Kouno as Mahiro Oyama (voice)
Kaori Ishihara Kaori Ishihara as Mihari Oyama (voice)
Hisako Kanemoto Hisako Kanemoto as Kaede Hozuki (voice)
Minami Tsuda Minami Tsuda as Momiji Hozuki (voice)
Kana Yuuki Kana Yuuki as Asahi Ohka (voice)
Natsumi Hioka Natsumi Hioka as Miyo Murosaki (voice)

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