Prodigy guitarist and singer Mizuki Yamada thought dying mid-solo would at least earn her a peaceful afterlife. Instead, she was sent into a fantasy world where music is more than sound — it’s power.

With a goddess breathing down her neck and a continent obsessed with the MLC, the loudest and deadliest music competition in existence, Mizuki is forced into the spotlight once again and forms the most chaotic band ever: a foul-mouthed elf, a tsundere dwarf, and a painfully shy dragon.

Together, they will fumble through practice sessions, turn concerts into fights, and take on rivals whose chords have the power to rock entire cities. However, a single mistake could spell disaster in a world where every note has power.

Can one reckless girl's rhythm defeat an army of darkness or even gods? Or will the world’s final song be its requiem?