Yoru-san no Itoshi no Bansan

Yoru is a vampire, a predator of the night dwelling among humans. But compared to a meal of fresh blood, he'd much rather partake in the culinary delights of the human world—fragrant stews, tasty meat buns, and sweet pastries are all irresistible delicacies to him. Unfortunately, being a vampire means he cannot stomach human food...unless he first drinks blood as an appetizer. Thus, Yoru spends his nights sinking his fangs into criminals and evildoers, all for the sake of the beloved supper awaiting him...

(Source: Yen Press)