Where to watch ONIMAI: I'm Now Your Sister!(2023)
In the United States, ONIMAI: I'm Now Your Sister! is available to stream on Crunchyroll. You can also buy it on Amazon Video.
Where to stream ONIMAI: I'm Now Your Sister!
Availability in United States
Included with subscription
Crunchyroll
Buy
Amazon Video
Data updated on October 10, 2026. Availability data from JustWatch.
ONIMAI: I'm Now Your Sister! plot summary
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.
Details
- Original title
- お兄ちゃんはおしまい！
- First aired
- January 5, 2023
- Episode runtime
- 24m
- Genres
- Animation, Comedy
- Seasons
- 1
- Episodes
- 12
- Network
- AT-X
- Status
- Ended
- Country
- Japan
- TMDB rating
- 7.4 / 10 · 70 votes
ONIMAI: I'm Now Your Sister! trailer
Cast
Marika KounoMahiro Oyama (voice)
Kaori IshiharaMihari Oyama (voice)
Hisako KanemotoKaede Hozuki (voice)
Minami TsudaMomiji Hozuki (voice)
Kana YuukiAsahi Ohka (voice)
Natsumi HiokaMiyo Murosaki (voice)
FAQ
Where can I watch ONIMAI: I'm Now Your Sister!?
In the United States, ONIMAI: I'm Now Your Sister! is available to stream on Crunchyroll. You can also buy it on Amazon Video.
Can I rent or buy ONIMAI: I'm Now Your Sister!?
Yes. In the United States you can buy it on Amazon Video.
How many seasons does ONIMAI: I'm Now Your Sister! have?
ONIMAI: I'm Now Your Sister! has 1 season and 12 episodes. Status: ended.
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