에피소드 1

In 2009, Bok Su, who is very popular among his school friends but bad at studying, and Soo Jeong, who is known to be the prettiest and smartest girl in Seolsong High School, get to team up and to improve Bok Su's grades. Soo Jeong's private lesson makes Bok Su interested in studying, and Bok Su realizes that his feelings for Soo Jeong have started to grow.