Cover of the Itoko no Onee-chan ni Amaechau?

Itoko no Onee-chan ni Amaechau?

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A heart-pounding new life together with my "big sis cousin"!? Masato Ooizumi just entered high school and he finds himself staying with a relative. Living there is his "big sister cousin" who's being way too close with him!? A slightly naughty, living together romcom begins under one roof!!

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Manga

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Published

June 15, 2025

Updated

July 11, 2025

Itoko no Onee-chan ni Amaechau? Episodes

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Chapter 1

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Chapter 10

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