Thriller Games Regard Me as Taboo

Gu Qichen, an unlucky high school student, was pulled into a thriller game during an English exam. One hour it was sunny and the teacher and classmates were living in harmony, but the next hour it was a blood-stained real-life version of Temple Escape. No one here can be trusted absolutely. People will forget everything but themselves. Every winner of all games will kill other players until Gu Qichen's appearance violates the rules of the game and becomes a taboo in the game world.