The first season adapts the first three manga volumes in their entirety, and it concludes with the first chapter of the manga's fourth volume.
First episode received a special pre-air on June 18, 2017. Regular TV airing started in July 2017.
Based on a Japanese manga series written and illustrated by Akihito Tsukushi. It has been serialized online in Takeshobo's digital publication Web Comic Gamma since October 2012.