ONIMAI: I'm Now Your Sister!
Animation • Comedy
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.
Episodes
E1
23 min
Episode
1
EP1:
Mahiro's Confusing New Body
Jan 5, 2023
E2
23 min
Episode
2
EP2:
Mahiro's Time of the Month
Jan 12, 2023
E3
23 min
Episode
3
EP3:
Mahiro's Close Encounter
Jan 19, 2023
E4
23 min
Episode
4
EP4:
Mahiro's New Friend
Jan 26, 2023
E5
23 min
Episode
5
EP5:
Mahiro Discovers Adventure and Social Gatherings
Feb 2, 2023
E6
23 min
Episode
6
EP6:
Mahiro Goes Back to Middle School
Feb 9, 2023
E7
23 min
Episode
7
EP7:
Mahiro's Role-Playing Game
Feb 16, 2023
E8
23 min
Episode
8
EP8:
Mahiro's First Girls Sleepover
Feb 23, 2023
E9
23 min
Episode
9
EP9:
Mahiro Rings in the New Year
Mar 2, 2023
E10
23 min
Episode
10
EP10:
Mahiro Ponders Boobs and Identity
Mar 9, 2023
E11
23 min
Episode
11
EP11:
Mahiro Pretties Up
Mar 16, 2023
E12
23 min
Episode
12
EP12:
Mahiro's Future as a Sister
Mar 23, 2023
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)
Yoshie Saito
Child - Sister (voice) / Reporter (voice)
Misaki Watada
Minori Shiina (voice)
Miyuu Takatsuki
Satsuki Takada (voice)
Rena Aoshima
Yuta Sakurada (voice)
Rika Abe
Minato Senkawa (voice)
Emiri Suyama
Woman A (voice) / Woman B (voice)
Erisa Kuon
Hairdresser (voice) / Woman B (voice)
Rina Tsukishiro
Nodoka Fushimi (voice)
Sayako Tojo
Mai Yasaka (voice)
Rin Mizuki
Mari Nishinomiya (voice)
Mia Sakurai
Nemu Fujimi (voice)
Kumiko Nakane
Watch Stand (voice) / Waitress (voice)
Mitsuki Nakamura
Announcer (voice) / Truant Officer (voice)
Karin Oda
Miyako Nagase (voice)
