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ONIMAI: I'm Now Your Sister!

Original title: お兄ちゃんはおしまい！

★ 7.4 TMDB Rating · 70 votes

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.

Seasons
1
Episodes
12
Episode length
~24m
First aired
Jan 5, 2023
Networks
AT-X
Original language
Japanese
Origin
Japan

Cast of ONIMAI: I'm Now Your Sister!

Where to Stream ONIMAI: I'm Now Your Sister! by Country

United States
Streaming on CrunchyrollRent or buy on Amazon Video
United Kingdom
Streaming on Crunchyroll
India
No streaming offers listed right now
Canada
Streaming on Crunchyroll
Australia
Streaming on Crunchyroll

Availability data from JustWatch. Catalogues change often, so check the service before you press play.

Seasons

ONIMAI: I'm Now Your Sister! Trailer

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