The one letter that arrived at the Sakamaki household. That was for an invitation to a dangerous delight- The stage is the opening of the Grand Festival for Vampires, VanDead Carnival held in the demon world. One day an invitation to the VanDead Carnival had arrived at the Sakamaki household. Commanded by their father the Sakamaki household and Yui Komori had to unwillingly participate. When arriving at the Venue, the Mukami brothers were also there. The Sakamaki and Mukami brothers glared at each other. And the fate of Yui whose caught into? As of tonight, the crowded and fun ” VanDead Carnival” will raise the curtain-.