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.
StatusEnded
TypeScripted
Original LanguageJapanese
Network
Season 1 of ONIMAI: I'm Now Your Sister! premiered on January 5, 2023
高野麻里佳
Mahiro Oyama (voice)
石原夏織
Mihari Oyama (voice)
金元寿子
Kaede Hozuki (voice)
津田美波
Momiji Hozuki (voice)
優木かな
Asahi Ohka (voice)
日岡なつみ
Miyo Murosaki (voice)