Anime Database

Aya Asagiri is a middle school girl who has problems both at school with bullying, and at home from physical abuse by her brother. While browsing online, a website pops up on her computer featuring a creepy-looking person.

A girl named Rachel wakes up in an unknown place with no memory of how she got there or what her life was. She starts to explore the area and ends of finding a bunch of psychopathic people that each have their own floor in the building that their in.

The story follows Yoonbum, a young, mentally ill man with a difficult past. After becoming infatuated with Sangwoo, a peer from his time in the military who saved him from a rape attempt, he decides to enter Sangwoo's home while he is out of his house.