ONIMAI: I'm Now Your Sister!
2023•TV-14•1 Seasons•12 Episodes•7.5•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
7.5
School Rumble
2004
8
Daily Lives of High School Boys
2012
8
The Disappearance of Nagato Yuki-chan
2015
7.7
Shikimori's Not Just a Cutie
2022
6.4
Kinmoza!
2013
7.9
Non Non Biyori
2013
7.9
Alya Sometimes Hides Her Feelings in Russian
2024
6.1
Miru Tights
2019
7.6
Wasteful Days of High School Girls
2019
7.9
Pseudo Harem
2024
6.7
The Kawai Complex Guide to Manors and Hostel Behavior
2014
7.6
Maison Ikkoku
1986
8.2
Himouto! Umaru-chan
2015
7.3
Hana-Kimi
2026
8.5
Maid Sama!
2010
7.4
Yuyushiki
2013
8.2
Yamada-kun and the Seven Witches
2015
6.1
When Will Ayumu Make His Move?
2022
7.8
Seiren
2017
6.7
I'm Getting Married to a Girl I Hate in My Class
2025
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