The heroine of the story was originally named Wen Wenxiang. Due to incomplete development, she developed an Adam's apple. From a lively and cheerful beautiful girl who was very popular with boys, she began to have low self-esteem. Because of all kinds of rumors, Wen Wenxiang couldn't bear it, and finally decided to transfer to another school. Influenced by anime, Wen Wenxiang cut off her long hair, began to disguise herself as a man, and even changed her name to Wen Wuyan. Wen Wuyan transferred to Nanling, a private academy where gangsters lived. She originally wanted to spend her high school career peacefully, but she drew a sword to help when an injustice happened, causing her to declare war with Nan Fengying, the leader of Nanling. Wen Wuyan worked hard to get into the academic class, and started a duel with Nan Fengying. However, the two were assigned to a dormitory, and their comical and romantic cohabitation life began... After many confrontations, Wen Wuyan was selected as the school boy, and joined Nan Fengying's band, becoming a member of [Poison Friends]. Nan Fengying's brother Nan Fengqing accidentally discovered Wen Wuyan's identity, but instead of exposing her, he secretly protected her. Wen Wuyan and Nan Fengying also began to fall in love while fighting each other, and the youthful and humorous campus love story began...