Left alone in the apartment building, Minoru nearly has his organs sold, but his neighbor, Shiori Kanemochi, saves him.

However, she reveals none of her personal information, making Minoru feel withdrawn from her, but he is grateful nonetheless and begins a strange life living with her.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 Shōnen Magazine from April 11, 2018,[3] to March 30, 2022.

[5][6] A promotional video for the seventh volume, featuring Kensho Ono as protagonist Minoru Soramoto, was launched on July 17, 2020.

[7] 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.