Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Yuzuki Katafuchi, a woman who is searching for her older sister living in a "strange house" in Saitama, Tokyo, which is believed to have been built for murder, began to talk about the mysterious death of her cousin at the Katafuchi family's parents' house, which has a strange structure! To confirm the layout of the house and find out the truth hidden in the house, "I" and Yuzuki head to their parents' house!