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.
| Title | ONIMAI: I'm Now Your Sister! |
|---|---|
| Year | 2023 |
| Genre | Animation, Comedy |
| Country | Japan |
| Studio | AT-X |
| Cast | Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda, Kana Yuuki, Natsumi Hioka |
| Crew | Shingo Fujii (Series Director), Michiko Yokote (Series Composition), Ryo Imamura (Character Designer), Daisuke Achiwa (Original Music Composer), Alisa Okehazama (Original Music Composer), Masayo Kobayashi (Art Direction) |
| Alternative Titles | 别当哥哥了！, 不当哥哥了！, 别当欧尼酱了！, ¡Ahora soy tu hermana!, Onimai, Onii-chan wa Oshimai!, Onii-chan ha Oshimai!, Oniichan ha Oshimai!, Oniichan wa Oshimai!, お兄ちゃんはおしまい！, 오빠끝, Onii-chan Is Done For!, Older Brother Is Done For! |
| Keyword | slice of life, middle school, based on manga, junior high school, school life, ecchi, anime, gender swap, age change, grand, middle school girls, japanese junior high schooler, enraged |
| First Air Date | Jan 05, 2023 |
| Last Air date | Mar 23, 2023 |
| Season | 1 Season |
| Episode | 12 Episode |
| Runtime | 24:14 minutes |
| Quality | HD |
| IMDb: | 7.40/ 10 by 54.00 users |
| Popularity | 8.0048 |
| Language | Japanese |
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