Mieko is the vampire princess of the Ooyama clan and lives in Japan. But she so no ordinary vampire. The Oyama Clan is made up of fierce fighters who work for the Vampire Council to keep things in order.  As she works hard to become one of the strongest of the Ooyama clan, she meets Satoru. He's arrogant and a playboy, who is determined to have a taste of her blood. How will she deal with the struggles of her job while dealing with a difficult vampire?