TV series

ONIMAI: I'm Now Your Sister! (お兄ちゃんはおしまい！)

2023★ 7.4 · 63Ended1 seasonAnimationComedy

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.

Trailer

Trailer · Promotional Video [Subtitled]

Watch on YouTube ↗

Images

Backdrops & posters from TMDB

12 images

Cast

高野麻里佳
as Mahiro Oyama (voice)

石原夏織
as Mihari Oyama (voice)

金元寿子
as Kaede Hozuki (voice)

津田美波
as Momiji Hozuki (voice)

優木かな
as Asahi Ohka (voice)

日岡なつみ
as Miyo Murosaki (voice)

Crew

藤井慎吾
Series Director

横手美智子
Series Composition

今村亮
Character Designer

阿知波大輔
Original Music Composer

桶狭間ありさ
Original Music Composer

小林雅代
Art Direction

土居真紀子
Color Designer

伏原あかね
Director of Photography

岡祐司
Editor

吉田光平
Sound Director

長谷川卓也
Sound Effects

高野麻里佳
Theme Song Performance

Seasons

Season 1

Season 1

Episodes: 12

Information

Community

7.4/ 10

63 TMDB votes

7.4

First air date: 2023-01-05

Show status: Ended

Genres

AnimationComedy

Where to watch

Availability via TMDB / JustWatch

Country

Logos show where this title is listed (stream, rent, or buy). TMDB does not provide direct links into Netflix or other apps — use the button below to open TMDB’s watch page (JustWatch data) for this country.

Open watch options on TMDB

StreamIncluded with subscription

Crunchyroll
Crunchyroll Amazon Channel

BuyDigital purchase

Amazon Video

Availability via TMDB / JustWatch. The button opens TMDB’s watch page for this title — not the streaming app itself.