ONIMAI: I'm Now Your Sister!

Animation • Comedy

74%
ONIMAI: I'm Now Your Sister!
ONIMAI: I'm Now Your Sister!
TV-14
12 episodes1 season

US Release

Overview:

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.

Created by:

Status:

Ended

Language:

Japanese

First air date:

1/5/2023

Last air date:

3/23/2023

Key words:

  • slice of life
  • middle school
  • based on manga
  • junior high school
  • school life
  • ecchi
  • anime
  • gender swap
  • age change
  • middle school girls
  • japanese junior high schooler

Seasons

Season 1

Season 1

12 Episodes

Cast

Marika Kouno

Marika Kouno

~ as ~

Mahiro Oyama (voice)

Kaori Ishihara

Kaori Ishihara

~ as ~

Mihari Oyama (voice)

Hisako Kanemoto

Hisako Kanemoto

~ as ~

Kaede Hozuki (voice)

Minami Tsuda

Minami Tsuda

~ as ~

Momiji Hozuki (voice)

Kana Yuuki

Kana Yuuki

~ as ~

Asahi Ohka (voice)

Natsumi Hioka

Natsumi Hioka

~ as ~

Miyo Murosaki (voice)

Yoshie Saito

Yoshie Saito

~ as ~

Tomoya Kiba (voice) and 3 more

Misaki Watada

Misaki Watada

~ as ~

Minori Shiina (voice)

Miyuu Takatsuki

Miyuu Takatsuki

~ as ~

Satsuki Takada (voice)

Rena Aoshima

Rena Aoshima

~ as ~

Yuta Sakurada (voice)

View full cast & crew
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