The series was serialized in Shueisha's Weekly Young Jump magazine from July 2021 to September 2022, with its individual chapters being collected into six volumes.

One day, while Tetsujiro fasts to offer his meal to the child, he closes his eyes and finds himself alone and helpless in an unknown forest where he is attacked by Roman legionnaires!

[2] Written and illustrated by Toshimitsu Matsubara, the series began serialization in Shueisha's Weekly Young Jump magazine on July 1, 2021.

They had mixed feelings on the story, with one columnist praising the action and characters, and the other expressing skepticism due to the series' length.

[1] Faustine Lillaz of Planete BD felt the story's humor was often executed poorly and that the use of historical legends did not make up for its other shortcomings.