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ONIMAI: I'm Now Your Sister!
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.
7.4
Score
60
AT-X
Seasons
Media
![Promotional Video [Subtitled]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FpvnrSpb109U%2Fhqdefault.jpg&w=3840&q=75)
Promotional Video [Subtitled]
![Official Trailer [Subtitled]](/_next/image?url=https%3A%2F%2Fi.ytimg.com%2Fvi%2FDxlzZgMeNr4%2Fhqdefault.jpg&w=3840&q=75)
Official Trailer [Subtitled]
Principal cast
Marika Kouno
Mahiro Oyama (voice)
Kaori Ishihara
Mihari Oyama (voice)
Hisako Kanemoto
Kaede Hozuki (voice)
Minami Tsuda
Momiji Hozuki (voice)
Kana Yuuki
Asahi Ohka (voice)
