In the world where humans and elves coexist, there is a world maintained by the power of elves-Polufenica. Humans live by miracles created by elves, while elves get food by music played by humans. They are interdependent and jointly safeguard this beautiful world. In POLYPHONICA, the elves are manipulated by the music played by musicians and exert their strength. Musicians who can play this special music are called "Divine Comedy Players", and they are respected and admired. Under the eaves of the orphanage, the two met on a moonlit night. They are Kotikalut (with six wings) and Floan, a lonely boy. "I hope you only belong to me. The soul you described belongs only to me-can't it? " The genie slowly spoke the language of the contract. This is a sacred ceremony representing the bond. However, in the eyes of teenagers, this is just an incredible dream of a wonderful night. However, with the passage of time, the wheel of fate began to turn, and accidental opportunities revived the fetters buried in the moonlight. ...