Nosferatu -Seijo wa Senketsu no Yoru ni Mau-

You are a vampire who trains and enslaves heroines as household members in game of hostile assault and battle strategy. Invade the locations of rival priests, vampire hunters, etc. and drink their blood to charm them into subservient ghouls. Enjoy the unfolding battle of clergy vs. undead, in a world chocablock with juvenile humor!