Yui, a music college student, decides to quit playing the piano after finishing a competition. One day, she meets Tomo, who aspires to become a piano tuner. Yui begins questioning whether she should continue with piano, while Tomo was forced to give up his dream of becoming a pianist due to injury. Though both share a connection through music, their personalities and outlooks differ greatly. As they spend more time together each day, they gradually grow closer. Tomo, usually reserved and emotionally distant, reveals a deeply sincere and unexpectedly passionate affection toward Yui. A pure, youthful romance blossoms between them. A heartfelt and bittersweet story depicting love, music, personal growth, and the deepening bond between two people.