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.
Okumura may not be interested in 3D girls, but he's surprised when he discovers that he and Ririsa share similar passions.
Mikari is a new student at school and all the boys are crazy for her since she's a model. She also happens to be Okumura's childhood friend.
Mikari doesn't get why Okumura and Ririsa love cosplay, but she's willing to give it a shot if it means winning the heart of the boy she loves.
Okumura and Ririsa head to their first cosplay event, but all they can think about is how much this feels like a date!
Ririsa dazzles the entire venue with her amazing Lilliel cosplay, but now she and Okumura need to handle her newfound popularity.
There's a special bond between cosplayers and photographers, one that Mikari can't help but be jealous of.
The Manga Club needs an advisor or else Okumura and Ririsa will lose their clubroom! The new teacher could help, especially since she seems very familiar…
Okumura and Ririsa don't want to hide their activities from the school and decide to participate in an upcoming cosplay event as an official club activity.
Nagomi is the star of the event, and her words shook Ririsa to her very core. Now it is up to Okumura, Mayuri and the others to restore her confidence.
The legendary Mayura has returned, and now two Queens of Cosplay square off during the photoshoot.
Nagomi realizes she can just have fun with cosplay, just like Ririsa. When the two cosplayers meet later on, a new friendship blooms.
The good news is that the Manga Club can keep the club room! The bad news is that their cosplay activities must remain a secret.
Nonoa wishes to befriend Ririsa, but the rising star of the cosplay world has a big problem: her social skills are non-existent.
Okumura and Nonoa have a heart-to-heart. Perhaps it will give the shy cosplayer the courage to clear up the misunderstanding between her and Ririsa.
Ririsa and Nonoa have cleared up their misunderstanding and are now friends. While memories of her middle school experiences linger, Nonoa is determined to move forward.
Aria certainly has potential, but her costume seriously lacks substance. Now, it's up to the Manga Club to give her a crash course in cosplay and all things otaku!
Aria confides in the Manga Club about her estranged father and her passion for cosplay. Touched by her story, the club members vow to help Aria accomplish her dream.
The Manga Club rallies around a devastated Aria after she breaks the news. Fortunately, Okumura can't help but feel there's more to the story than what Aria overheard.
The Manga Club arrive at Summer Comiket and are determined to give their cosplay their all! Unfortunately, cosplaying as a group is harder than it looks.
Coordination isn't their only problem. The Manga Club must also deal with the bane of cosplayers everywhere: heat.
Ten years is a long time to dwell on guilt. An estranged father's regrets, and a determined daughter's wish are about to arrive at a crossroads.
Okumura and Ririsa happen to be alone together for once, but that doesn't mean it's now a date, right?
Okumura realizes he needs to understand his friends more, and what better place to do so than at the beach?
Love is messy and doesn't work in real life like it does in anime. When Okumura overhears a heartfelt conversation, he worries what it means for the future.
Complete episode guide for 2.5 Dimensional Seduction with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
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