Yukimaru Sera, 15 years old. He loves music. Especially rock and roll. I don't know why. But I just know this feeling that makes my heart well up. Youth, friendship, hometown, glory, loneliness, meeting and parting, joy, and the meaning of life. Everything Yukimaru experiences becomes music. This is the story of Yukimaru Sera, a high school boy from the countryside who is obsessed with music and puts his life on the line to create the best rock band ever.