Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out! (Source: Kodansha USA)
Episodes
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ONIMAI: I'm Now Your Sister!
Onii-chan wa Oshimai! • お兄ちゃんはおしまい！
Overview & Storyline
Mahiro Oyama was just a normal erotic-game loving dude…until he woke up one morning as a woman! Turns out his mad-scientist little sister, Mihari, tried out one of her new experiments on him…with a disastrous outcome, as far as Mahiro’s concerned! But Mihari is as determined to study him as he is determined to go back to his shut-in, game-playing life, and one thing’s for sure…life is going to get a whole lot weirder from here on out! (Source: Kodansha USA)
Episodes Collection
12 AvailableCharacters & Voice Cast
Official Japanese Seiyuu
Mahiro Oyama
MAIN
Mihari Oyama
MAIN
Kaede Hozuki
SUPPORTING
Miyo Murosaki
SUPPORTING
Momiji Hozuki
SUPPORTING
Asahi Ouka
SUPPORTING
Nemu Fujimi
SUPPORTING
Nodoka Fushimi
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Frequently Asked Questions about ONIMAI: I'm Now Your Sister!
Direct AnswersWhere can I watch ONIMAI: I'm Now Your Sister! online for free?
You can stream ONIMAI: I'm Now Your Sister! in 1080p Ultra HD on 9-anime.si. We offer fast CDN streaming with both English Subbed and English Dubbed audio tracks, free of popups and account registration.
Does ONIMAI: I'm Now Your Sister! have English Dubbed audio?
Yes, English Dub audio is available alongside original Japanese voice audio with high-precision English subtitles. You can toggle audio streams using our multi-server player.
How many episodes does ONIMAI: I'm Now Your Sister! have?
ONIMAI: I'm Now Your Sister! features 12 complete episodes in high definition.