2.5 Dimensional Seduction

is a Japanese manga series written and illustrated by Yu Hashimoto. It began serialization on Shueisha's Shōnen Jump+ website in June 2019. As of September 2023, the series' individual chapters have been collected into eighteen tankōbon volumes. An anime television series adaptation produced by J.C.Staff is set to premiere in 2024. Premise Masamune 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 and recruits Okumura to be her official photographer. When Okumura learns her favorite character is also Liliel, he finds himself conflicted about his romantic feelings towards her. Other girls soon join the club as well. Characters Okumura is a second-year high school student who is the president and only member of his school's manga club. He is an otaku who is obsessed with a fictional character named Liliel.