Katsuki Bakugō, a dedicated student at UA University, is enrolled in the prestigious hero course. Amidst his rigorous training and academic pursuits to become the #1 Hero, he finds solace in a different kind of passion - music. Together with his closest friends, Kaminari Denki, Yaoyorozu Momo, Kyoka Jiro, and Fumikage Tokoyami, they form a band that occupies their free time, the "Explosive Decibels."