Escape From Deep Pit University

Somewhere in the middle of nowhere lies a school called Deep Pit. In a world where there are humans, monster hybrid humans and giant humans, Guy, a regular human, is your average student and is one of many students in this school. Guy was concerned about the rare cases of students going missing and after gathering information, he discovers how some of them went missing. The issue is that someone else in this school has a feeling that Guy knows too much and will do whatever it takes to keep their secret safe.