To. Jenny is a unique music-themed drama that follows the story of Park Jung-min, a socially awkward young man who has harbored a secret crush on his high school classmate, Kwon Na-ra, for seven years. Despite his lack of confidence and his tendency to hide behind his guitar, Jung-min decides to pour his unrequited feelings into music, hoping to finally win the heart of his first love who has since become a struggling idol trainee. The series beautifully blends heartfelt storytelling with indie-pop performances, capturing the innocence and anxiety of first love. As Jung-min navigates the challenges of expressing his emotions through song, he finds himself entangled in Na-ra's difficult journey toward stardom. The drama explores themes of self-discovery, the courage to pursue one's dreams, and the transformative power of music in bridging the gap between two people.