A small town, H city, Japan. Finding yourself in a Mansion living room makes you confused in a situation you have never experienced before.

You are in a state of memory loss when you only remember your name and the Bearer of a Death Mark that you are experiencing.

Right in the middle of the room you can see a doll in an Elegant Gothic Lolita style, sitting on a long sofa with her eyes closed.

Welcome To Kujou Mansion