is a Japanese manga series written and illustrated by Hideki. It was serialized in Kodansha's Weekly Shà Ânen Magazine from April 2018 to March 2022, with its chapters collected in 13 volumes.
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 However, she reveals none of her personal information, making Minoru feel withdrawn from her, but he is grateful nonetheless and begins a strange life living with her.
She's Adopted a High School Boy!, written and illustrated by Hideki, was serialized in Kodansha's Weekly Shà Ânen Magazine from April 11, 2018, to March 30, 2022. Kodansha collected its chapters in 13 volumes, 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.
The manga ranked second in Pixiv Comic Ranking 2018 in the slice of life category.