Takashi Kamiyama enrolls in Cromartie High School, known for its rough characters and rowdy demeanors; as a rabbit among lions, Kamiyama gets a crash course on what it means to be tough.

Watching Mechazawa from afar, Kamiyama and Hayashida silently wish someone would say what is on both of their minds.

A wordless tune becomes stuck in Hayashida's mind, and he takes it to the rest of the Cromartie boys; soon everyone is humming it.

As leader of Destrade Tech's first year delinquents, Yamaguchi has but one thing he won't tolerate: bad comedy.

As the boss of the Cromartie first years, Takenouchi can't show any weaknesses; unfortunately, his biggest weakness is very common.

Takeshi Hokuto has brought eighteen other high schools under his control, and now it's Cromartie's time to feel his power, but there's just one problem: they're all idiots.