My System Can Enter the World of Heavens

After a mentally ill medical graduate student was shot, he came to a world full of strange and evil spirits. Fortunately, his predecessor had been living in a mental hospital. The director here was an awakened person. He was tortured by doctors and nurses every day because he refused to take medicine. Until the system appeared, he had new motivation. After he escaped from the mental hospital, he gradually discovered the truth of the world. Don't read if you don't like dark novels This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.