As a new generation of people's teachers in the 21st century, Song Yu's main responsibility is to educate students, so dying suddenly in front of a desk in order to correct students' homework is considered a worthy death. But who can tell him why what he saw after death was not the King of Hell, but a fat and strong big yellow cat, and what kind of ghost is the so-called black male protagonist? ! ! My favorite in the year of master and apprentice