Episode 1
New Student from Another Dimension
Okumura may not be interested in 3D girls, but he's surprised when he discovers that he and Ririsa share similar passions.
Where to watch 2.5 Dimensional Seduction
TV series
2.5 Dimensional Seduction
2024TV-142 seasons8.0 / 10
When cosplayer Ririsa joins Okumura's manga club, the line between 2D and 3D blurs when she asks him to be her photographer.
Availability
Not streaming in United States
Checked Jul 22, 2026
2.5 Dimensional Seduction premiered July 5, 2024. We don't have a confirmed streaming, rental or purchase option yet.
Synopsis
When cosplayer Ririsa joins Okumura's manga club, the line between 2D and 3D blurs when she asks him to be her photographer.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
Cosplay Group Potential?
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.
Where to watch 2.5 Dimensional Seduction
Episode 3
Lili x Miri
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.
Where to watch 2.5 Dimensional Seduction
Episode 4
Time for Our First Event!
Okumura and Ririsa head to their first cosplay event, but all they can think about is how much this feels like a date!
Where to watch 2.5 Dimensional Seduction
Episode 5
First Event Is Over!!
Ririsa dazzles the entire venue with her amazing Lilliel cosplay, but now she and Okumura need to handle her newfound popularity.
Where to watch 2.5 Dimensional Seduction
Episode 6
Tips From a Master
There’s a special bond between cosplayers and photographers, one that Mikari can’t help but be jealous of.
Where to watch 2.5 Dimensional Seduction
Episode 7
We Need an Advisor!
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.
Where to watch 2.5 Dimensional Seduction
Episode 8
Do You Love Cosplay?
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.
Where to watch 2.5 Dimensional Seduction
Episode 9
You're Not Liliel!
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.
Where to watch 2.5 Dimensional Seduction
Episode 10
Mayura vs. Nagomi!!
The legendary Mayura has returned, and now two Queens of Cosplay square off during the photo-shoot.
Where to watch 2.5 Dimensional Seduction
Episode 11
My Enchanted Armor
Nagomi realizes she can just have fun with cosplay, just like Ririsa. When the two cos-players meet later on, a new friendship blooms.
Where to watch 2.5 Dimensional Seduction
Episode 12
Five Rising Stars
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.
Where to watch 2.5 Dimensional Seduction
Episode 13
Can We Be Friends?
Nonoa wishes to befriend Ririsa, but the rising star of the cosplay world has a big problem: her social skills are non-existent.
Where to watch 2.5 Dimensional Seduction
Episode 14
Together with You
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.
Where to watch 2.5 Dimensional Seduction
Episode 15
I'll Keep Evolving
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.
Where to watch 2.5 Dimensional Seduction
Episode 16
Your Way, My Way
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!
Where to watch 2.5 Dimensional Seduction
Episode 17
Comrades in (Cosplay) Arms
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.
Where to watch 2.5 Dimensional Seduction
Episode 18
Destiny
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.
Where to watch 2.5 Dimensional Seduction
Episode 19
Time for Summer Comiket!
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.
Where to watch 2.5 Dimensional Seduction
Episode 20
The World We Create with Our Friends
Coordination isn’t their only problem. The Manga Club must also deal with the bane of cosplayers everywhere: heat.
Where to watch 2.5 Dimensional Seduction
Episode 21
The Protagonist's Story
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.
Where to watch 2.5 Dimensional Seduction
Episode 22
This Wonderful World
Okumura and Ririsa happen to be alone together for once, but that doesn’t mean it’s now a date, right?
Where to watch 2.5 Dimensional Seduction
Episode 23
Manga Club On the Beach
Okumura realizes he needs to understand his friends more, and what better place to do so than at the beach?
Where to watch 2.5 Dimensional Seduction
Episode 24
2.5-Dimensional Ririsa
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.
Where to watch 2.5 Dimensional SeductionEpisode information updated Jul 22, 2026
Available now in United States
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More about 2.5 Dimensional Seduction
Cast
Junya EnokiMasamune Okumura (voice)
Kaori MaedaRirisa Amano (voice)
Akari KitoMikari Tachibana (voice)
Sayumi SuzushiroNonoa (voice)
Sayumi WatabeAria Kisaki (voice)
Mao IchimichiMayuri Hanyu (voice)
Aya YamaneNagomi (voice)
Junichi SuwabeYoichi Higarashi (voice)Credits
- Written by
- Takawo Yoshioka
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 24
- Original language
- Japanese
- Original title
- 2.5次元の誘惑
Networks & production
Tokyo MXJapan
J.C.STAFFJapan
ShueishaJapan
ADK EmotionsJapan
Pony CanyonJapan
AimingJapan
Themes
animebased on comicbased on mangabukatsucosplaycosplayerecchiharem