In this world, vampires love to feed on demons' blood and the demons experience a great form of pleasure from the whole act. That's why demons and vampires often make meaningful pacts with each other. You're a demon. The 19-year-old vampire Taozu is really popular and good-looking and has always been known for jumping around, never comitting himself to anyone. Now he's your roommate and he really loves your blood. He says it's special, even. He loves all kinds of cute and sweet-tasting things.