2.5 Dimensional Seduction — Season 1
Okumura, president of the Manga Research Club, once again spends his day alone in the clubroom, shouting the name of his beloved 2D character, Liliel, displayed on the screen…Then, to Okumura’s clubroom comes a 3D girl named Ririsa Amano, who says, “I want to become Liliel.” She loves the sexy and cute “costumes” of girls appearing in manga. And she’s a fellow otaku who loves Liliel just as much as Okumura! Ririsa reveals to Okumura that her secret hobby is cosplay, and she shows him a collection of ROMs filled with photos and videos of her cosplay to convey her passion.
Episodes

E01 New Student from Another Dimension
★ 7.7Jul 5, 2024 · 24m
Okumura may not be interested in 3D girls, but he's surprised when he discovers that he and Ririsa share similar passions.

E02 Cosplay Group Potential?
★ 7.6Jul 12, 2024 · 24m
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.

E03 Lili x Miri
★ 7.4Jul 19, 2024 · 24m
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.

E04 Time for Our First Event!
★ 7.7Jul 26, 2024 · 24m
Okumura and Ririsa head to their first cosplay event, but all they can think about is how much this feels like a date!

E05 First Event Is Over!!
★ 7.6Aug 2, 2024 · 24m
Ririsa dazzles the entire venue with her amazing Lilliel cosplay, but now she and Okumura need to handle her newfound popularity.

E06 Tips From a Master
★ 7.6Aug 9, 2024 · 24m
There’s a special bond between cosplayers and photographers, one that Mikari can’t help but be jealous of.

E07 We Need an Advisor!
★ 7.5Aug 16, 2024 · 24m
The Manga Club needs an advisor or else Okumura and Ririsa will lose their club-room! The new teacher could help, especially since she seems very familiar.

E08 Do You Love Cosplay?
★ 7.5Aug 23, 2024 · 24m
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.

E09 You're Not Liliel!
★ 7.8Aug 30, 2024 · 24m
Nagomi is the star of the event, and her words shook Ririsa to her very core. Now it's up to Okumura, Mayuri and the others to restore her confidence.

E10 Mayura vs. Nagomi!!
★ 7.7Sep 6, 2024 · 24m
The legendary Mayura has returned, and now two Queens of Cosplay square off during the photo-shoot.

E11 My Enchanted Armor
★ 7.0Sep 13, 2024 · 24m
Nagomi realizes she can just have fun with cosplay, just like Ririsa. When the two cos-players meet later on, a new friendship blooms.

E12 Five Rising Stars
★ 6.5Sep 20, 2024 · 24m
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.

E13 Can We Be Friends?
★ 6.8Sep 27, 2024 · 24m
Nonoa wishes to befriend Ririsa, but the rising star of the cosplay world has a big problem: her social skills are non-existent.

E14 Together with You
★ 7.0Oct 4, 2024 · 24m
Okumura and Nonoa have a heart-to-heart. Perhaps it will give the shy cos-player the courage to clear up the misunderstanding between her and Ririsa.

E15 I'll Keep Evolving
★ 7.0Oct 11, 2024 · 24m
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.

E16 Your Way, My Way
★ 7.0Oct 18, 2024 · 24m
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!

E17 Comrades in (Cosplay) Arms
★ 7.0Oct 25, 2024 · 24m
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.

E18 Destiny
★ 6.7Nov 1, 2024 · 24m
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.

E19 Time for Summer Comiket!
★ 6.7Nov 8, 2024 · 24m
The Manga Club arrive at Summer Comiket and are determined to give their cosplay their all. Unfortunately, cos-playing as a group is harder than it looks.

E20 The World We Create with Our Friends
★ 6.7Nov 15, 2024 · 24m
Coordination isn’t their only problem. The Manga Club must also deal with the bane of cosplayers everywhere: heat.

E21 The Protagonist's Story
★ 7.3Nov 22, 2024 · 24m
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.

E22 This Wonderful World
★ 7.0Nov 29, 2024 · 24m
Okumura and Ririsa happen to be alone together for once, but that doesn’t mean it’s now a date, right?

E23 Manga Club On the Beach
★ 7.3Dec 6, 2024 · 24m
Okumura realizes he needs to understand his friends more, and what better place to do so than at the beach?

E24 2.5-Dimensional Ririsa
★ 7.7Dec 13, 2024 · 24m
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.