Series · 2026 · Animation
Legendary hitman Juzo Ogami has never failed an assignment. But after a mission, he’s stung by a mysterious wasp and wakes up in the body of a 13-year-old boy! And to make things even weirder, he receives a bizarre new order: infiltrate a middle school. Now the once-feared assassin must balance the chaos of school life with his deadly work, all while searching for a way to regain his adult body!
2 seasons · 12 episodes

Episode 01
Let's Go to School
Mysteriously transformed in a kid, legendary hitman Juzo poses as a student to investigate a middle school. Later, he encounters a suspicious intruder.

Episode 02
Noren Mitsuoka
Juzo discovers Mitsuoka Pharmaceuticals created the wasp and befriends the president's aloof daughter Noren. As he slowly befriends her, she's kidnapped.

Episode 03
Wipe Your Own Butt
Juzo turns to a classmate to catch up on his studies and joins the home economics club with Noren. Mitsuoka Pharmaceuticals makes a big announcement.

Episode 04
The Pacifier Duel
Juzo's cover as Noren's boyfriend comes under fire when a young assassin transfers in and challenges Juzo to a duel in a bid to become Noren's fiancé.

Episode 05
There's a Unicorn Up Ahead
While on an errand, the Home Economics Club runs into Tenma, a brash multi-sport ace who challenges Juzo to a futsal match. Will Juzo take him on?

Episode 06
How About a "Thank You"?
Juzo and Tenma’s futsal showdown begins. With his astonishing physical ability, Tenma overwhelms the Home Ec Club team of Juzo, Shin, and Kito. Sensing that Juzo is no ordinary opponent, Tenma drops the handicap and starts playing for real. Juzo and the others fight desperately to keep up with Tenma’s dominant performance, but how will the match end?

Episode 07
Doki-Doki Double Date
Juzo and Noren end up on a double date with Chisato and Tenma. The four enjoy shopping and lunch, but the moment the movie starts, Juzo mysteriously reverts to his adult body! He rushes to the restroom, only for Noren to be kidnapped again. Chasing the culprit’s car to a stadium, Juzo and Tenma face Kazuma and Eiji Rindou, assassin brothers from the industry’s top organization, JARDIN.

Episode 08
Versus the Rindou Brothers
Kazuma wields powerful hypnosis, while Eiji launches a brutal assault with explosive golf balls. They, too, are assassins chasing Mitsuoka Pharmaceutical’s secrets. Juzo struggles as Kazuma turns civilians against him. And Kazuma has already placed a certain hypnotic spell on Noren. To save her, Juzo races to her side...

Episode 09
The Impossible Aftermath of an Impossible Game
Juzo races to Noren’s side. Meanwhile, Tenma and Eiji clash in an outrageous soccer-vs.-explosive-golf battle. Tenma prepares to end the fight with a move he developed in practice. But at the end of the life-or-death struggle against Kazuma and Eiji, the unconscious Noren awakens, and the first thing she sees is...

Episode 10
DEATH OR KISS
After Kazuma’s hypnosis makes Noren fall deeply for Juzo, she launches an all-out attack on his heart. But when Juzo gently turns her down, she tries to jump from the roof! Desperate to undo the spell, Juzo takes Noren to meet Kazuma at an amusement park, only to end up alone with her on a Ferris wheel, where things take a dangerously romantic turn?!

Episode 11
The First Hitman Summit
With more assassins gathering at school, Ogami organizes the first-ever Hitman Summit in hopes of keeping everyone under control. However, the meeting quickly descends into chaos as the eccentric personalities clash. Meanwhile, a heated ramen challenge draws unexpected attention, and a mysterious girl makes a surprising appearance that may change everything.

Episode 12
Life Paths
Unicorn Mai Otohime is a marine-sports prodigy with expert-level ocean knowledge. She has come for a Mitsuoka Duel too, but her target is Juzo. This leads to Noren challenging Mai herself. As the duel nears, Juzo and the others face parent-teacher conferences and questions about their futures, leading Juzo to reflect on his school life, the friends he’s made, and the possibilities ahead.
based on 51 votes
Legendary hitman Juzo Ogami has never failed an assignment. But after a mission, he’s stung by a mysterious wasp and wakes up in the body of a 13-year-old boy! And to make things even weirder, he receives a bizarre new order: infiltrate a middle school. Now the once-feared assassin must balance the chaos of school life with his deadly work, all while searching for a way to regain his adult body!
4 principal cast
KILL BLUE is available to stream on Flicksy via 6 verified sources, aggregated from publicly available embed providers. The animation has 2 seasons and 12 total episodes, rated 7.9/10 by 51 viewers.
KILL BLUE has 2 seasons with 12 episodes in total.
KILL BLUE is currently in production and returning for new episodes.
KILL BLUE airs on TV Tokyo, TV Aichi, TVQ, TV Osaka, TVh, TSC.
KILL BLUE first aired on April 11, 2026.
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