An otaku, he claims he has no interest in real girls due to his obsession with a fictional character named Liliel (リリエル, Ririeru).

Suddenly, a first-year student named Lilysa Amano, who is passionate about cosplay, joins the club and recruits Okumura to be her official photographer.

Other girls soon join the club as well, including Okumura's childhood friend Mikari Tachibana, whose unrequited love for him constantly leaves her frustrated.

Written and illustrated by Yu Hashimoto, the series began serialization on Shueisha's Shōnen Jump+ manga website on June 15, 2019.

[12][13] It was produced by J.C.Staff and directed by Hideki Okamoto, with scripts written by Takao Yoshioka, character designs handled by Tomoyuki Shitaya, and music composed by Hiroaki Tsutsumi.