I'm Working as a Sleep Tester in a Haunted House.

Summary

In a terrifying hide-and-seek game orchestrated by a ghostly child, Zhao Yi Cong becomes possessed and forces the group to play a deadly version where being found means becoming a ghost. Participants must find another person within five minutes or self-destruct. Realizing buildings are dangerous, the group escapes to the basement, believing the ghost won't enter the place of his death. Twenty people seal themselves inside, hoping to survive until daybreak, with tension mounting as they fear potential intrusion and the ongoing hunt outside.

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