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Onii-chan wa Oshimai! 7-kan: Tokusouban Shousasshi

Onii-chan wa Oshimai! 7-kan: Tokusouban Shousasshi

Finished

お兄ちゃんはおしまい! 7巻特装版小冊子

Mahiro Oyama, a former shut-in, now lives as a young girl after his scientist sister transformed him with a mysterious drug. In this special booklet bundled with the seventh volume, Mahiro and his friends continue their everyday adventures filled with playful antics and comedic situations.

As the group navigates school life, friendships, and the challenges of growing up, Mahiro struggles to adapt to his new body while keeping his secret hidden. The story explores the humorous and heartwarming moments of his daily routine alongside his sister and classmates.

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