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. Lilysa is a first-year student who joins the manga club. Due to her passion for cosplay, she recruits Okumura to be her photographer. Like Okumura, she is also a fan of Liliel. Mikari is a childhood friend of Okumura's who is a model. She has had a crush on him since they were young. Media

Manga 
Written and illustrated by Yu Hashimoto, the series began serialization on Shueisha's Shōnen Jump+ manga website on June 15, 2019. As of September 2023, the series' individual chapters have been collected into eighteen tankōbon volumes. In June 2021, Seven Seas Entertainment announced that they licensed the series for English publication under their Ghost Ship imprint. Volume list

Anime 
An anime television series adaptation was announced on December 10, 2022. It will be 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. The series is set to premiere in 2024. Reception 
Itachi Utada from Famitsu praised the story and characters of the series, particularly enjoying the cosplay elements present. In the 2020 Next Manga Award, the series ranked fourth in the web manga category. The series has one million copies in circulation between its digital and print releases. References

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2024 anime television series debuts
Anime series based on manga
Cosplay
Japanese webcomics
J.C.Staff
Otaku in fiction
Romantic comedy anime and manga
School life in anime and manga
Seven Seas Entertainment titles
Shōnen manga
Shueisha manga
Upcoming anime television series
Webcomics in print