12 episodes
First episode: E1
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.
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Quick answers about this series, release status, and episode totals.
When did ONIMAI: I'm Now Your Sister! first air?
ONIMAI: I'm Now Your Sister! first aired on January 5, 2023.
How many seasons and episodes does ONIMAI: I'm Now Your Sister! have?
ONIMAI: I'm Now Your Sister! currently has 1 season and 12 episodes.
When is the next episode of ONIMAI: I'm Now Your Sister!?
ONIMAI: I'm Now Your Sister! is ended, and no upcoming episode is currently scheduled.