We Agreed to Go to College Together, but Why Did We Go to Fight Ghosts?

Are there dangers on the other side of the world that we can't imagine? Can people after death really enter reincarnation? Lin Muyuan, in this world, suddenly realized that there seemed to be no heaven and earth, and the stability of order was crumbling... He is the judge of the world's super organization Yinsi, and he is also an ordinary high school student who is poor in studies and facing the college entrance examination. Before Tan Yuanhao learned Lin Muyuan's true identity, the two met in college. Later, at the admissions office of the Ghost Control College, Tan Yuanhao found out that the good brother who had met in college was actually a top ghost controller? "No! We agreed to go to college together, why did you go to fight ghosts?!"