A 39-year-old assassin's instincts don't disappear just because his body did. Middle school becomes a warzone where the real threat isn't other kids, it's him forgetting he can't solve everything with the same methods that worked in the underworld. Season two doubles down on the collision: the body ages, the missions pile up, and Juuzou has to choose whether he's still the hitman or if something in that kid's life actually stuck.
Juuzou's middle school cover is holding, but his problems are far from over. The legendary hitman trapped in a child's body must juggle algebra homework with staying alive as enemies circle closer, hunting the man they know he was. His teenage classmates have no idea their awkward new friend is a cold-blooded assassin still processing what it means to be thirteen again, and Juuzou has no idea how to be a kid. Each school day brings fresh chaos: genuine friendship that complicates his mission, comedic mishaps when his hitman instincts clash with adolescent normalcy, and the constant threat of operatives who want him dead. The mystery of his transformation deepens as powerful forces reveal they knew exactly what they were doing when they changed him. Between protecting his unknowing classmates and hunting answers about his own body, Juuzou discovers that survival now means something different than it did before. His second chance at life isn't just about returning to who he was. It's about deciding who he wants to become.