2 titles, most popular first
A fast-spreading zombie virus breaks out inside a high school and soon reaches the surrounding city of Hyosan. Cut off from the outside world while officials scramble to contain it, a group of classmates must band together, stay alive, and search for a route out.
Class 2-3 of Yooil High School heads to a retreat center on a field trip, but their teacher and the students of a second class soon go missing. When night falls, every student in the building receives a message announcing that a real-life game of Mafia is starting, and staying alive means rooting out the Mafia hidden among them.
