Season 1

Mysteriously transformed in a kid, legendary hitman Juzo poses as a student to investigate a middle school. Later, he encounters a suspicious intruder.

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

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.

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.

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?

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 sta…

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 t…

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. …

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 st…

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 …

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. Me…

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 th…