The Attractive One (2004)

The Attractive One 2004 / 身驕肉貴 2004 / Sun Giu Yu Gwai

Hugo has a birthmark on his face that has caused him to develop into a shy, quiet person. For this reason, he hasn't had much luck with girls until he meets Yammie, a young woman who is introverted in much the same way Hugo is; she has a moustache due to a hormonal disorder. They each gain a newfound confidence through their friendship and Hugo agrees go help Yammie track down and old boyfriend. Before she finds him, however, she might discover that what she's looking for is already right before her eyes. (Source: Rotten Tomatoes)