KILL BLUE

At 39, legendary hitman Juzo Ogami is stung by a mysterious wasp-like bioweapon and passes out. When he wakes up in Z.O.O.'s lab, he's shocked to find himself in the body of a middle schooler. His next mission: infiltrate a middle school. Though reluctant at first, Ogami unexpectedly discovers the joy of learning, until a suspicious intruder storms the school.

The wasp that stung Juzo was created by Mitsuoka Pharmaceuticals, and it turns out that the daughter of the company's president, Noren Mitsuoka, is in Juzo's class. Beautiful, brilliant, and athletic, she's untouchable. Hoping she may hold a clue to restoring his original body, Juzo discovers that Noren works at a ramen shop and starts forming a connection with her. But then, Noren is abducted...

When Juzo falls behind in school, his classmate Ryo Shiraishi starts tutoring him. He also joins the Home Ec Club run by Ryo's older sister, Chisato. Noren joins too, hoping it'll help with making ramen. Then, after Mitsuoka Pharma announces that whoever marries Noren will inherit the company, a cornered Noren blurts out something completely unexpected!