Chen Jia Hua, or Ella Chen for short, is also known as the "Bad Girl" in their university. "Bad Girl" doesn't literally mean BAD, but she was called "Bad Girl", since she is the most brave girl in the whole university. She knows Kung Fu and many more martial arts, since she lived alone for about 12 years of her life because, her parents died in a car accident. Her relatives made her learn these things, so that she'll be able to protect herself, whenever she'll be in danger. She may seem very boyish as times, but deep inside of her is a real lady. 

She is the leader of their group, which is called S.H.E. S.H.E stands for their names which is Selena, Hebe and Ella. Ella is very close to her friends, since she consider them as her family. 

In the other hand comes the "Bad Boy" of Ella's university, who is names Ming Dao or Vincent for short. He is the son of the richest man in Taiwan, who happens to be the director of Yin Xiao University where Ella and Vincent studies. He's called "Bad Boy" literally. He is known for being such a troublemaker and for being a brat. He've been like that because he naver felt the love of his father. His mother died because of an illness. He has a sister, however his sister is in America studying.

If Ella is the leader of her group, then Vincent is also the leader of his own group named 3V, which stands for Vernon, Vic and Vincent.