According to Animate.tv, otome game "Diabolik Lovers" was announced to get an anime adaptation.
Diabolic Lovers game official website
Komori Yui is a normal high school girl, who often experiences supernatural phenomena. She moves to a school for celebrities "Reitei Academy", which has a frightening rumor of vampires. Yui borrows a room in her relative's house and begins to live with six handsome but sadistic boys. Later, she realizes they are not human...
Diabolik Lovers: Haunted Dark Bridal