Diabolik Lovers: Vandead Carnival

An invitation arrives at the Sakamaki household: the VanDead Carnival, the Grand Festival for Vampires, is opening in the demon world. By order of their father, the Sakamaki brothers and Yui Komori are required to attend, willing or not. When they arrive, the Mukami brothers are already there. The two vampire families lock eyes across the carnival grounds. Yui, caught in the middle of whatever this is about to become, has no say in either family's plans for her.