The most famous junior high schools of Xiongying Academy are the Information Club (President Xing Qijie, Vice President Guo Xuling) and the Assistant Social Club (President Guo Xina). The two major clubs were established with the goal of helping school students to be truly happy. Guo Xina, who is in the third grade of junior high school, is a girl with a fiery personality who never admits defeat. She loves and protects her younger sister Guo Xuling so well that almost all the boys in the school are afraid of her. One day, Guo Xuling was threatened by a bad boy and was rescued by Shi Qinyi, who had just transferred to Xiongying Academy. Guo Xina, who wanted to thank him, was punished by him for damaging public property and was on duty for two consecutive weeks. Only then did she find out that he was the head of the execution department. Things happened one after another, and the two societies worked together to solve it, but they found that they were getting deeper and deeper. It was not only the conflict between the two Shi brothers, but also related to the huge conspiracy in Xiongying Academy...