Library

Two schools with the same origin - H University and Q University - are separated from the north and the south of China, but they are in love with each other. Infected by this atmosphere, the reasoning clubs of the two schools also refused to give in to each other. Every two years, they compete with each other with a "murder reasoning competition" that simulates murder incidents. Sometime in the 1970s, five members of the Mystery Association from Southern H University, led by president Qian Yifei, prepared to challenge a case carefully arranged by five members of Northern Q University, headed by Yao Pingwa, the president of the Mystery Association. However, in the famous "Old Study Room" where the members of Q University decided, the dispute between the northern and southern schools unexpectedly turned into a serial murder case! The dead appeared one after another, and their heads were chopped off. What is the motivation behind the mystery that challenges members of the two schools' reasoning clubs at the same time?

Students disappeared mysteriously and bouquets of flowers disappeared! There are countless ghost legends in this school. Due to a campus secret room incident, He Fangfeng saw the "ghost in the library" and became the only person to encounter the witch Lani. Disappeared students, stolen bouquets... He Fangfeng uncovered the mysteries of daily life under the guidance of witches and books. This is a campus reasoning feast started by students and accidentally joined by the witch!