Danshi Kōkōsei o Yashinaitai Onē-san no Hanashi
Original title: 男子高校生を養いたいお姉さんの話
Published in: Weekly Shōnen Magazine
She's Adopted a High School Boy! is a Japanese manga series written and illustrated by Hideki. It was serialized in Kodansha's Weekly Shōnen Magazine from April 2018 to March 2022. Source: Wikipedia (en)
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