She's Adopted a High School Boy!

She's Adopted a High School Boy! (男子高校生を養いたいお姉さんの話) 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.

Synopsis
One day, the parents of Minoru Soramoto disappear, leaving their son with huge debt. Left alone in the apartment building, Minoru nearly has his organs sold, but his neighbor, Shiori Kanemochi, saves him. She also pays off his debt and lets him live in her house. However, she reveals none of her personal information, making Minoru feel withdrawn from her, but he is grateful nonetheless and begins a strange life living with her.

Publication
She's Adopted a High School Boy!, written and illustrated by Hideki, was serialized in Kodansha's Weekly Shōnen Magazine from April 11, 2018, to March 30, 2022. Kodansha collected its chapters into thirteen individual tankōbon volumes, which were published from August 17, 2018 to May 17, 2022. A promotional video for the seventh volume, featuring Kensho Ono as protagonist Minoru Soramoto, was launched on July 17, 2020.

In July 2021, it was announced that BookWalker Global partnered with Kodansha USA to publish the manga digitally in English, starting on August 3 of the same year.

Reception
The manga ranked second in Pixiv Comic Ranking 2018 in the slice of life category.