Hardened hit man Juzo Ogami’s in for the mission of his esteemed career...life as an average middle school student!

Juzo Ogami has never led a normal life. He was picked up by a criminal organization as a child and grew up to become a legendary hit man. But everything changes when he’s bitten by a mysterious insect and becomes a teenager again! Can this battle-hardened assassin handle the rigors of middle school life?!

At a school attended by multiple hit men, the home ec club divides into teams for a ramen cook-off. But with both Shin and Noren being obsessed with ramen, who will win? And to spice up the competition, a new "unicorn" suddenly shows up, but who is she?