44th Period: Survival Class
Mysterious black circles have started appearing all over the world, and whoever falls in doesn't come back out. Then one day, a black circle swallows an entire school and everyone in it, turning it in...
Author
Unknown
Artist
Unknown
Updated
Oct 27, 2026
Latest
Chapter 1
New text
checking in single manga page
Synopsis
Mysterious black circles have started appearing all over the world, and whoever falls in doesn't come back out. Then one day, a black circle swallows an entire school and everyone in it, turning it into a twisted maze of nightmares. Will Doyun and his classmates find a way out?