Yan Changchun has a dual personality and looks like a fairy. She is usually a cute little girl, but when performing tasks, she is a skilled, cruel, and emotionless killer.
Qingyu, a half-toned young man, flirts with women everywhere, but he unknowingly becomes pure and self-respecting, and finally realizes that he has fallen in love with Yan Changchun.
Chu Tianqing, the leader of Bianhua. He is both Yan Chengchan's eldest brother and Yan Chengchan's boss.