Watch ONIMAI: I'm Now Your Sister! (2023): stream ONIMAI: I'm Now Your Sister! (2023) on Crunchyroll, Crunchyroll Amazon Channel. Compare all streaming options for this TV show on WhereCanIWatch.tv.
ONIMAI: I'm Now Your Sister!
1 Season • 12 Episodes
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Stream on Crunchyroll
HD · Included
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You can stream ONIMAI: I'm Now Your Sister! (2023) on Crunchyroll with a subscription.
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.
ONIMAI: I'm Now Your Sister! is a show that explores themes of slice of life, middle school, based on manga. It also touches on junior high school and school life and ecchi.
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Cast
Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda, Kana Yuuki, Natsumi Hioka
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2 options ranked by value · 🇺🇸 United States
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Last verified 14 days ago
ONIMAI: I'm Now Your Sister!
1 Season • 12 Episodes
You can stream ONIMAI: I'm Now Your Sister! (2023) on Crunchyroll with a subscription.
Cast
Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda, Kana Yuuki, Natsumi Hioka
2 options ranked by value · 🇺🇸 United States
Keep browsing: Airing Now · Popular TV Shows · Animation · Comedy
slice of life · middle school · based on manga · junior high school · school life · ecchi · anime · gender swap · age change · grand
ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll. ONIMAI: I'm Now Your Sister! is streaming on Crunchyroll Amazon Channel. Availability last verified April 1, 2026.