Mondo is a student in Hope's Peak Academy's Class 78th, and a participant of the Killing School Life. He is the Super High School Level Biker Gang Leader (超高校級の暴走族), or Ultimate Biker Gang Leader in the English localization.
Mondo is the second leader of the Crazy Diamonds, Japan's largest and most feared biker gang. He has high respect for his brother from whom he inherited the gang from after he died. Mondo acts tough and has a strong sense of honor and loyalty to his companions. After he finishes his role as a gang member, he wants to become a carpenter.
