She wrote the words he sang to the world - never knowing they were all meant for her. In the quiet glow of the studio, where music speaks louder than words, their hearts found each other in secret melodies and unfinished lyrics. She was the hidden voice behind his fame, and he was the muse she never meant to fall for. "You always write like you're in love," he said softly, eyes meeting hers through the dim light. "Maybe I am," she whispered - but he never realized every song was about him. Between the rhythm of late-night sessions and the silence between songs, love began to bloom - fragile, forbidden, and achingly real. And though the world called her a ghost, he called her his melody.

Martin fight everyone so that Juhoon will choose him. Martin tried everything to catch Juhoon's attention. But Juhoon already, secretly had his eye on him.