The anime is based on a Japanese manga conceptualized by Misato Mitsumi, Tatsuki Amazuyu, and Tamiki Wakaki and illustrated by Wakaki. It was first launched as a doujinshi at Comic Market in December 2016; Kadokawa Shoten started publishing it in collected tankobon volumes in September 2020, with two volumes released as of November 2021. The anime however, will tell an original story.