Monster Sonic!: A Rhapsody Called Lucy -The Very First Song-

During a transformative Golden Week, the narrative unfolds around Lucifer, whose life takes a downward turn following the breakup of her band. Lost in a haze of monotony, she encounters her cousin Satan and his bandmate Ibaraki Douji, who extend an invitation to join their indie group, the "Wicked Pistols." Despite Satan's aspirations of achieving fame through the MONSTERS ROCK competition, Lucifer initially dismisses his ambitions, reflecting her disillusionment with the music world.

However, as events unfold and connections deepen, Lucifer finds her resolve challenged. The story weaves together themes of ambition, creativity, and the healing power of music, drawing viewers into a vibrant world where the pursuit of dreams reignites hope and passion.