The Devil’s Classroom

In a world where students are monsters and the classroom is a battlefield, one man enters to settle a score. Kim Sang-an, a cold-blooded loan shark, loses his sister—a teacher driven to suicide by her own students. Now, he steps into the school as their new homeroom teacher, not to educate, but to collect a debt paid in blood. A ruthless debt collector versus a pack of demons in human skin. The hunt begins. Read Chapter 1 now!