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ONIMAI: I'm Now Your Sister!

ONIMAI: I'm Now Your Sister!

2023·TV series·1 season · 12 episodes

Animation, Comedy

7.4 / 10 (72 votes)

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.

0
Original language
日本語
First aired
5 January 2023

Where to Watch

Availability in the US · Subtitle and audio track data

Crunchyroll
Watch now →

Subtitle and audio languages not checked yet.

Last verified 2 Nov 2026

Cast

  • Marika Kouno

    Marika Kouno

    Mahiro Oyama (voice)

  • Kaori Ishihara

    Kaori Ishihara

    Mihari Oyama (voice)

  • Hisako Kanemoto

    Hisako Kanemoto

    Kaede Hozuki (voice)

  • Minami Tsuda

    Minami Tsuda

    Momiji Hozuki (voice)

  • Kana Yuuki

    Kana Yuuki

    Asahi Ohka (voice)

  • Natsumi Hioka

    Natsumi Hioka

    Miyo Murosaki (voice)