お兄ちゃんはおしまい！
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.
- Genre: Animation, Comedy
- Studio: AT-X
- Nøgleord: slice of life, middle school, based on manga, junior high school, school life, ecchi, anime, gender swap, age change, middle school girls, japanese junior high schooler
- Cast: Marika Kouno, Kaori Ishihara, Hisako Kanemoto, Minami Tsuda, Kana Yuuki, Natsumi Hioka
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