ONIMAI: I'm Now Your Sister!

Original title: お兄ちゃんはおしまい！

24 minutes • 2023 - 2023 • 1 season • 12 episodes • 7.4 Score

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.