Rules of Love(2005)

Rules of Love is a Korean romantic comedy about ambition, deception, and unexpected feelings. Han Jae Min, a photographer desperate to work at the prestigious Conan studio, pursues Seo Hee Won—until he settles for dating the naive Kim Geun Young, whose brother works there. His plan works, but when he tries to end things, Geun Young demands revenge. She forces him to sign a break-up contract requiring him to help her move on at her pace. As weeks pass, Jae Min's calculated indifference crumbles into genuine affection. Complicating matters, studio owner Lee Seo Jun develops his own feelings for Geun Young and openly pursues her. Caught between his growing love and a rival's advances, Jae Min must confront the consequences of his manipulation and fight for a second chance.