계약 관계의 규칙

Mu Jungwoo is a fine arts student who is now taking a nude croquis class. One day, a guy called Jaehoon appears as the new nude model, and Jung-woo gets really fixated on him due to Jaehoon’s very attractive features. Everyone is curious about Jaehoon’s hidden identity. Jungwoo then starts following Jaehoon, requesting him to model for him personally. While following him around, Jungwoo unexpectedly sees Jaehoon's true form. Jungwoo finally gives up as Jaehoon keeps coldly rejecting his request. But suddenly, a few days later, Jaehoon appears and gives Jungwoo a contract, saying that he'll be his model!