Sacrificial Bride (Diabolik Lovers Rewrite)

Once young women begin disappearing one by one, 17 year old Rekka Saito and her monster hunter mother begin to investigate. Their search leads them to a wealthy family of vampires known as the Sakamakis, rumored to have been deceiving young women into becoming "Sacrificial Brides" in which they become a food source for the vampires until death. Rekka ultimately decides to pose as a Bride named Yui Komori in order to infiltrate the Sakamakis and prevent more innocent lives being lost. But such a task turns out to be more than she bargained for...