Shenmi Fusu

"My name is Yang Jian, and by the time you read this, I'll be dead." Ordinary student Yang Jian is caught up in a bizarre invasion, acquiring parchment from the future and a mysterious eye, becoming a ghost wielder. Yang Jian and his classmates escape the campus, but the crisis is just beginning. In this sinister world, the human world is a prison. The price of peering into darkness is eternal loss amidst endless wonder. (Source: Tencent, translated)

Adaptation of Fu Qian Xianhua's (佛前献花) web novel of the same title.