"Supernatural Farm" is the best I can get it.
Rough translation of description: Su Yu is wasting time in a third-rate college. Because of the "sinkhole" incident, a school collasped and fell into the sinkhole and is now in an unknown, horror-filled forest. And this forest is filled with all kinds of horrific things, like scary mutants. And from his hands, it slowly begins.
A sinkhole:
Spoiler
Brb, freaking out
Thank you very much, you are a legend.
- iTwixie likes this