![](https://image.tmdb.org/t/p/w300/hwqRDBgOdXeHi1UG2CHQgL2KY9z.jpg)
FPS
The protagonist, who is looking for an apartment, accidentally opens a door to another world. There, he finds himself trapped in a huge, desolate building. It is a hellish place ruled by a certain monster, where neither going out nor dying is allowed!