Hi My Sweetheart

Hi My Sweetheart (海派甜心) is a currently airing Taiwanese Drama starring Rainie Yang and Show Luo that first premiered on November 1, 2009.

Xue Hai (Show Luo) is a boy who comes from a very wealthy family and has been protected by his family all his life. One day he decides to move out of home and study abroad in Hangzhou. Xue Hai's oldest sister helps him to change his name to Lin Da Lung, so as to protect his identity. In Xue Hai's new university, he meets Bao Chu (Rainie Yang) who protects him from bullies who tease him for being a nerd. He then falls in love with her. After Bao Chu wins a "Sweetheart Queen" competition, everybody started calling her "Sweetheart", but during this time, Bao Chu's father goes bankrupt, flees, and leaves her behind. When Bao Chu hears that her mother is in Taiwan, she leaves Hangzhou without a word and goes to Taiwan to look for her mother. Due to this misunderstanding, Bao Chu and Xue Hai lose contact. Thinking that he got dumped by his first love, Xue Hai becomes a play-boy until he hears a very familiar voice on the radio announcing "Sweetheart Time" one day, and finds Bao Zhu at the radio station. He decides to buy the entire station, in order to be Bao Chu's boss and seek revenge. However, when Xue Hai sees Bao Chu dating other people, he comes to realize that he stills loves her.

Source: Wikipedia