The legendary Yankee Eiji, who was feared at Arasaka High School, which is famous for being a bad school in the past. Currently living quietly as an apprentice carpenter, his younger brother is called by a bad group and reluctantly attends. Then he fell in love with the active top of the stormy high school, which was there, and he was relentlessly aimed at the back virgin ... !!? A chastity defense battle betting on the prestige of Han begins now!