The Oni and Momotaro Agencies come from Japanese folklore: Momotaro was a Japanese folk hero who battled the Oni (Japanese demons).
The manga was nominated for the Best Printed Manga category at the seventh Tsugi ni Kuru Manga Awards in 2021.
Based on a Japanese manga series written and illustrated by Yura Urushibara. It has been serialized in Akita Shoten's Shounen manga magazine Weekly Shounen Champion since June 2020.