Before her, he sang songs. After her, he told stories. He spent years producing melodies that would move the world, searching for something that would make his music unforgettable. Then he found her...the woman who became the inspiration behind every lyric, every note, every piece of himself he poured into his songs. To him, she was his muse. The reason his music finally had meaning. But could his muse ever become his love story?

Every summer, She returned to Seoul. Every summer, there was Jungkook. Her best friend. Her first love. The boy she promised she'd never leave. Until she did. Five years later, She returns to Seoul and finds that Jungkook has changed. But as old feelings return, she begins falling for him all over again. This time, can they find their way back to each other...and stay?