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Where to watch ONIMAI: I'm Now Your Sister! (2023)
ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll in 51 countries, Crunchyroll Amazon Channel in 12 countries and Prime Video in 7 countries, plus 9 more services. In the US, you can watch it on Crunchyroll and Crunchyroll Amazon Channel. In the UK, you can watch it on Crunchyroll and Crunchyroll Amazon Channel.
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.
Also available regionally
Aniverse Amazon Channel
Anime Digital Network Amazon Channel
Catchplay
Animation Digital Network
U-NEXT
Anime Times Amazon Channel
dAnime Amazon Channel
Watcha
Quick answers
Is ONIMAI: I'm Now Your Sister! on Netflix?
No. ONIMAI: I'm Now Your Sister! isn't on Netflix in any country right now.
Is ONIMAI: I'm Now Your Sister! on Prime Video?
Yes, ONIMAI: I'm Now Your Sister! is on Prime Video in 7 countries, including Belgium, France and French Guiana. It isn't on Prime Video in the US.
Is ONIMAI: I'm Now Your Sister! on Disney+?
No. ONIMAI: I'm Now Your Sister! isn't on Disney+ in any country right now.
Is ONIMAI: I'm Now Your Sister! on Max?
No. ONIMAI: I'm Now Your Sister! isn't on Max in any country right now.
Where can I watch ONIMAI: I'm Now Your Sister! in the US?
In the US, ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll and Crunchyroll Amazon Channel.
Where can I watch ONIMAI: I'm Now Your Sister! in the UK?
In the UK, ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll and Crunchyroll Amazon Channel.
Where can I watch ONIMAI: I'm Now Your Sister! in Canada?
In Canada, ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll and Crunchyroll Amazon Channel.
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Last updated October 7, 2026.