In the vibrant music hub of MIDICITY, a gothic lolita kitty girl named Cyan is recruited by Maple Arisugawa, the head of a music company. Joining forces with Chuchu, a diligent rabbit, Retoree, a tech-savvy dog, and Moa, an enigmatic sheep (?), they band together as 'Plasmagica' with dreams of conquering the music scene. Their journey to stardom is filled with challenges as they face off against eccentric rival bands, gradually evolving into a formidable musical group. Can they rise to the top and revolutionize MIDICITY's music scene, or is the road to success just a whimsical fantasy? Prepare for a musical adventure that may lead them to fame and fortune!