King's Game Volume 4

Nobuaki's classmates receive mysterious text message from ‘The King’. At first it was a simple command, but step by step escalates into extremity. Insubordination link directly to death!! In order to survive, classmates starts hating and killing each other. The story originates from mobile game based box office horror novel.

This series has been published in Japan since 2010 which Japanese title name is "Ousama Game"