This is a first person perspective horror game.

Plot: It tells the story of the protagonist who is a home-based office worker. One day, he is trapped in a time loop by a mysterious force. The player needs to explore secrets and find ways to escape in the room, and many abnormal things happen. You need to make careful choices and complete the game by turning on and off the lights to sleep

Gameplay: Players need to carefully memorize the normal arrangement of objects in the room. If they find any abnormalities in the room every day, they need to sleep with the lights on to pass the level. If there are no abnormalities in the room, they need to turn off the lights and sleep. Players need to make the correct selection for 30 consecutive days, and if they make the wrong selection, they will return to the first day

Challenge: This game contains 30 abnormal levels, 3 different endings, some terrifying jumpscapes, and some subtle anomalies.