Juuzou Oogami is a legendary hitman with a perfect track record-no job has ever been too difficult for him. But after taking down a powerful organization, a strange wasp stings him, and he passes out. When he comes to, the 39-year-old assassin finds himself trapped in the body of a 13-year-old boy. Before he can make sense of his situation, his boss gives him a new mission: "In that form, infiltrate a middle school." Thrust into an unfamiliar world of rowdy classmates and teenage antics, Juuzou must navigate school life while staying one step ahead of the assassins hunting him. Will he ever get his old body back? Or will his enemies cut his second life short before he gets the chance?

KILL BLUE
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Overview:
Juuzou Oogami is a legendary hitman with a perfect track record-no job has ever been too difficult for him. But after taking down a powerful organization, a strange wasp stings him, and he passes out. When he comes to, the 39-year-old assassin finds himself trapped in the body of a 13-year-old boy. Before he can make sense of his situation, his boss gives him a new mission: "In that form, infiltrate a middle school." Thrust into an unfamiliar world of rowdy classmates and teenage antics, Juuzou must navigate school life while staying one step ahead of the assassins hunting him. Will he ever get his old body back? Or will his enemies cut his second life short before he gets the chance?
Aired:Apr 11, 2026
Episodes:12
Networks:TV Tokyo, TV Aichi, TVQ, TV Osaka, TVh, TSC
Country: Japan
Seasons (2)
Characters & Voice Actors

CharacterJuzo Ogami (voice)
Voice ActorYuko Sanpei

CharacterJuzo Ogami (voice)
Voice ActorShunsuke Takeuchi

CharacterKotatsu Nekota (voice)
Voice ActorShuichiro Umeda

CharacterNoren Mitsuoka (voice)
Voice ActorFuka Izumi














