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1 seasonTV-14AT-X
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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1 season · 12 episodes
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Marika KounoMahiro Oyama (voice)
Kaori IshiharaMihari Oyama (voice)
Hisako KanemotoKaede Hozuki (voice)
Minami TsudaMomiji Hozuki (voice)
Kana YuukiAsahi Ohka (voice)
Natsumi HiokaMiyo Murosaki (voice)Availability for ONIMAI: I'm Now Your Sister! by JustWatch, via TMDB. All options
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