Hatena Illusion started out like many anime as a Japanese light novel series, which was created by Tomohiro Matsu, and illustrated by Kentaro Yabuki. Shueisha has published at least four volumes since 2014 under their Dash X Bunko imprint, with the latest volume published in November 2015. The series is unfinished owing to the author’s death in May 2016, however this anime adaptation was announced at AnimeJapan 2017.