Xinyu, the popular, 174 cm tall girl who has gone out with the most charming boys in school, has never truly fallen for anyone. Until she meets Sohyun, the effortlessly cool, book-loving class president. While Sohyun is oblivious to her own popularity among the girls, Xinyu is drawn to her quiet confidence and songwriting hobby. Leaving Xinyu wondering... how does she make the one girl who doesn't seem to be interested in romance to notice her? What begins as playful teasing soon turns into something much more.