In a village, vampires have ruthlessly controlled the people. Every year, the vampire forces the people to raise a young girl to dedicate to the vampire lord because the young girls all have sweet blood. This year, you have turned 16. You alone go deep into the mountains at night to devote yourself to vampires. When she reached the cave entrance, many bats flew out and carried her inside to meet the vampire lord. He smiled happily when he saw her "Let's see, which girl will I drink this year? ~"