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Onii-chan ni wa Wakarumai!

Onii-chan ni wa Wakarumai!

お兄ちゃんにはわかるまい!

Keigo Sakaki is a cool, smart man with glasses, working as a star announcer. He lives with his younger sister, Maika, an impertinent and cheerful young woman. Though they are five years apart in age, they are not related by blood.

Keigo finds himself constantly at Maika's beck and call, unable to resist her demands. Their relationship blurs the lines between sibling affection and forbidden romantic desire, leading to an erotic love comedy full of tension and humor.

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