My Sister, My Stuck Butt, and Me

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manga completed Licensed 2025

Yoshihiko Hayashi

6 years her senior, Yui is a genius who's already claimed a Nobel Prize. Meanwhile, her little sister Mari is just your average elementary schooler. Struggling with the enormous gap between them, Mari finds herself literally stuck in a wall on her way to school...?! From the brilliant mind that brought you "MamaYuyu" comes an unpredictable tale of sisterhood!

(Source: MANGA Plus)