Marrying Mr. Perfect (2012)

Winnie, a woman in her late twenties, feels like an outcast after being dumped and facing workplace harassment. Koo is a wealthy and ruthless businessman who has recently acquired a company, sparking threats from a disgruntled former employee. For safety, Koo and his assistant, Ryan, decide to swap identities. As a commoner, Koo meets Winnie and falls for her, as she is the first person to appreciate him for who he is, not his wealth. What happens when Winnie discovers Koo's true identity?