Oniichan Lab

Synopsis

Ikezawa Sumire's 3 elder brothers, Asagi, Ai and Kon are so beautiful even friends get jealous! Sumire too loves Asagi and Ai, but for some reason she just can't like Kon. That reason is…!? Elder brother X3younger sister= HAPPY & SWEET!? Sumire and her elder brothers' full of happiness “at home” comedy.

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