People Are in the Underworld, Why Are You in the Underworld?

Luo Qichen, a senior high school student, is trapped in a strange death loop - after being swallowed by his "mother" every day, he will wake up on this day and experience the same day over and over again. In order to break the cycle of reincarnation, he was forced to face the truth that subverted his cognition: a gentle mother would bite her child at night, the woman who lost her son in a car accident was actually a murderous ghost, and the seemingly ordinary city was actually a "projection of the human world". What is the truth of the world?