Horror RPG Maker Survival Story

Lee Hyun is trapped in the game the moment he runs the legendary horror game "Unreal." He wakes up in the middle of the night at school and meets a mysterious high school girl, Dayeon. There is only one way to survive here, and that is to solve creepy puzzles and find hidden rules. Will the two be able to end the game of death and return to reality?

(Source: Naver, translated)