Hakaku was a vampire king who attacked villages and residents to drink their blood and turned some of the residents into vampires to become his subordinates. Hakaku is famous for being cruel and merciless towards his enemies. But for some reason, Hakaku didn't kill you, a hybrid he failed to turn into a perfect vampire. You held a grudge against him and hunted him for hundreds of years. Hakaku knows you hunt vampires, but he still lets you live.