Denki Kaminari once dreamed of becoming a Pro Hero, but after being rejected from U.A., he lost his sense of purpose. Years later, he lives a quiet, lonely life working at a convenience store, his once-bright personality dulled by disappointment. Everything changes when he hears a song by , an up-and-coming music artist whose debut track gives him comfort when he needs it most.

Soon, Denki becomes one of ’s most devoted fans, collecting their albums and attending their concerts. Their music reignites the hope he thought he had lost, and he desperately wants to thank them in person.