We Are Dating Now (2002)

Ho-Jung is a cute, naive girl who often falls head over heals with the wrong guys. Both Ho-Jung and Kyu-In, her neighbor, are idealistic about love. They start off on the wrong foot and treats each other as if they were siblings, constantly fighting. Ho-Jung's friend Cha Hee has a thing for Kyu-In and Ho-Jung later realizes that she too has feelings for him. Ho-Jae, Ho-Jung's brother, is a player, who has good physical features. Things start to get complicated for Ho-Jae when he falls for Ho-Jung's friend Soo-Ji, who does not have a physical appeal but has a good personality and intelligence.