Alternate Titles:
2.5 Dimensional Seduction, 2.5-jigen no Yuuwaku, Ririsa of 2.5 Dimension , 2.5次元の誘惑〈りりさ〉
Okumura is a second-year high school student who serves as the president and only member of his school's manga club. An otaku, he claims he has no interest in real girls due to his obsession with a fictional character named Liliel. Suddenly, a first-year student named Lilysa Amano, who is passionate about cosplay, joins the club. When he agrees to be her photographer, Okumura discovers her favorite character is also Liliel. As a result, he finds himself conflicted about the situation.
When cosplayer Ririsa joins Okumura's manga club, the line between 2D and 3D blurs when she asks him to be her photographer.