Aine, our protagonist, had a fortuitous encounter with Hiroshi when she was just a child. The joyful memories of his piano performance still linger in her mind, and she has longed for a reunion ever since. However, when fate brings them together again, Hiroshi has earned the title of "The Piano Prince" and appears unapproachable. Suddenly, the spirit of Chopin materializes before them, ready to weave their destinies together.