ONIMAI: I'm Now Your Sister!
2023•TV-14•1 Seasons•12 Episodes•7.4•Ended
AnimationComedy
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.
Network
AT-X
Origin
JP
Cast
Marika Kouno
Mahiro Oyama (voice)
Kaori Ishihara
Mihari Oyama (voice)
Hisako Kanemoto
Kaede Hozuki (voice)
Minami Tsuda
Momiji Hozuki (voice)
Kana Yuuki
Asahi Ohka (voice)
Natsumi Hioka
Miyo Murosaki (voice)
Episodes
Recommended
8.5
The Dangers in My Heart
2023
7.5
School Rumble
2004
8
Daily Lives of High School Boys
2012
7.7
Shikimori's Not Just a Cutie
2022
7.9
Alya Sometimes Hides Her Feelings in Russian
2024
7.7
Hana-Kimi
2026
8
The Disappearance of Nagato Yuki-chan
2015
7.9
Non Non Biyori
2013
8.2
Himouto! Umaru-chan
2015
7.5
Maison Ikkoku
1986
6.1
Miru Tights
2019
8
Pseudo Harem
2024
7.3
My Friend's Little Sister Has It In for Me!
2025
8.5
Maid Sama!
2010
8.2
Yamada-kun and the Seven Witches
2015
6.7
The Kawai Complex Guide to Manors and Hostel Behavior
2014
9.3
Go for It, Nakamura-kun!!
2026
6.1
When Will Ayumu Make His Move?
2022
7.7
Puniru Is a Kawaii Slime
2024
6.4
Kinmoza!
2013
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