It is based on a Japanese manga series written by Hideyuki Furuhashi and illustrated by Betten Court. It is both a spin-off and a prequel to Kôhei Horikoshi's manga series My Hero Academia. Hideyuki Furuhashi and Betten Court serialized the spin-off manga on the Shounen Jump+ web magazine from September 2016 to May 2022. Shueisha published the 15th and final volume on July 4, 2022. VIZ Media licensed the manga in English in 2018 and released the 15th and final volume on October 10, 2023.