is a Japanese manga series written and illustrated by . It was serialized in Shueisha's Weekly Shà Ânen Jump from September 2020 to February 2023, with its chapters collected in eleven volumes. A live-action film adaptation is set to premiere in Q4 2026.
After graduating from middle school, Kotaro Ietani is accepted to Metropolitan Happee High School. On the morning of the entrance ceremony, Kotaro's heart swells with anticipation for high school life. Suddenly, his father, IchiroâÂÂa middle school graduate who had long yearned for high school lifeâÂÂtells him that he will be attending the same high school. Kotaro also learns that his mother, Shizuka; his elementary schoolâÂÂaged sister, Haruka; and even their pet, Gomez, will all be attending the same high school. Thus, swept up by the members of the Ietani family, Kotaro's high school life begins.
Written and illustrated by , High School Family: Kokosei Kazoku was serialized in Shueisha's manga magazine Weekly Shà Ânen Jump from September 7, 2020, to February 20, 2023. Shueisha collected its chapters in eleven volumes, released from February 4, 2021, to July 4, 2023.
The manga is being simultaneously published in English by Viz Media on its Shonen Jump service and by Shueisha's Manga Plus online platform. Viz Media started publishing the volumes in digital format on April 26, 2022.
In February 2026, it was announced that the manga will receive a live-action film adaptation which is set to premiere in Q4 of the same year. It will be directed by , from a screenplay written by . It will be distributed by Toei.
The series was nominated for the 2022 Next Manga Award in the print manga category and placed ninth out of 50 nominees.