8.6
ONIMAI: I'm Now Your Sister! (2023)
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 & episodes
E1We follow Mahiro Oyama, an unemployed good-for-nothing shut-in, who not only hasn't left the house in two years, but is also exceedingly ad…
E2As Mahiro stumbles through his new life as a girl, he finds himself gradually beginning to get into the swing of things. Realizing this, ho…
E3Mahiro makes a mad dash for the bathroom, but when he opens the door, he finds the facilities are already occupied by a high school girl he…
E4Mahiro loses to Mihari in a video game, so he has to do the grocery shopping this week as punishment. As an unemployed, good-for-nothing sh…
E5In a rare turn of events, Mihari wakes up one morning to find Mahiro has gotten up before her. Since the corner store was going to start se…
E6Momiji shows up at Mahiro's house with her two classmates, Asahi Ohka and Miyo Murosaki, to invite him out for parfaits.
E7Just when Mahiro is beginning to get used to middle school life again, finals are upon them. Despite his initial blasé attitude, Mahiro fin…
E8It's finally winter break and Mahiro is excited to get into his Winter Vacation Mode. Unbeknownst to him, however, Mihari invites Momiji an…
E9It's Christmas and Mahiro is shocked to hear his own little sister has a date. Unable to shake his unease, he follows her through the festi…
E10It's the start of the third semester and winter uniforms are now in effect. For Mahiro and the girls at school, this means braving the cold…
E11Horoscopes are all the rage at school right now, and Mahiro is curious to see what all the fuss about. According to his forecast, an import…
E12Mahiro and the girls take a trip to a Japanese inn over spring break. First they hit the town in their yukata, before heading to the open-a…
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)You may also like
8.6
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8.0Daily Lives of High School Boys
8.0The Disappearance of Nagato Yuki-chan
7.7Shikimori's Not Just a Cutie
7.8Hana-Kimi
7.7Maison Ikkoku
7.9Non Non Biyori
7.7Wasteful Days of High School Girls
8.1Alya Sometimes Hides Her Feelings in Russian
6.7The Kawai Complex Guide to Manors and Hostel Behavior
7.3My Friend's Little Sister Has It In for Me!
8.1Pseudo Harem
6.6Kinmoza!
6.2Miru Tights
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8.5Maid Sama!
6.6The Villager of Level 999
9.3Go for It, Nakamura-kun!!
8.2