Diao Chan (貂蟬) is a main character throughout the three seasons of K.O.3an Guo. In chronology, Diao Chan was born on June 25th, 4333. She is the adoptive daughter of Wang Yun, Dong Han Academy’s headmaster and the vice-class president of her class. She is known as the number one pretty girl in all the land. And with her beauty comes a kind heart.