Amemiya is an unpopular Youtuber who specialize in the supernatural. One day, his director bring him a place flooring program. His director state him that the layout look like an ordinary place flooring program, but the layout incorporate an cryptic point. Amemiya get down to look carefully at the flooring program and Kurihara, who is an designer and a fan of mystery, join him. They try to uncover the enigma behind the house. Meanwhile, Yuzuki reach Amemiya and state him that she know something about the house he post on his YouTube transmission channel. She join Amemiya and Kurihara to uncover the enigma of the house, but she besides look to have got a secret.