It is April, the start of a new school year. Daichi Shinagawa (Hiroki Narimiya), who has moved up to the 2nd grade A class at Monjiro High School, is rumored to be the strongest delinquent in the history of yankees and a legendary yankee named "Hurricane Ada. Although he attends school, he is a pariah at Monjiro High School, a progressive high school. Because of this, he finds no joy in school life and spends his days in solitude and depression.