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.
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Cast
Seasons
Season 1
12 eps · 2023-01-05
ONIMAI: I'm Now Your Sister! airing schedule, episode calendar, cast, and synopsis. ONIMAI: I'm Now Your Sister! airs on AT-X.