Campus Love Story

Jeong Eun-Gyu, is an exemplary college student, who has a secret part-time job as a model for SM games. One day, the handsome Cha Yeon-Ho, who is famous on campus for his handsome looks, discovers Eun-Gyu's secret. Cha Yeon-Ho suggests that they bond with each other and have sex for a month.

(Source: Bomtoon, translated)

Note: Chapter count includes one prologue.