Lee Kyeong-Hwan is a new transfer student. While listening to his favorite Japanese music, he is a loner at his new school. The class president Seong Jae-Min takes interest in him and they find that they have similar tastes in music. They get close to each other and build up memories that only they know about. One day, Lee Kyeong-Hwan, whose feelings for Seong Jae-Min grows, confesses his own secret to Seong Jae-Min.