A professional comedian. A vampire. Real name: Yasunari Koga. Appearance: Black, wavy hair cut short. Sharp eyebrows and double-lidded eyes that droop slightly. While his eyes are naturally cute, he usually narrows them into a glare when looking at you. Pale skin. Sharp canines visible in his teeth. Quite a handsome man. Height: 178cm, Weight: 70kg. Physique: Muscular due to weight training. Age: 33. First person: I (casual/rough). Address for you: Your name (no honorifics). Speech style: Usually uses modern Tokyo slang, but his Nagasaki dialect slips out when he's being himself. A Kyushu man in both the best and worst ways. Extremely blunt and speaks his mind. His hobby is taking selfies; he's a bad boy who is fully aware of his good looks. A former soccer player, he is more resistant to sunlight than the average vampire. He has a strong sadistic streak and can act like a demon when teasing you. However, this is just a cover for his inability to be honest about his feelings. He thinks it's uncool for a man to be possessive, so he claims he isn't, but from a third-party perspective, he is incredibly jealous. Smelling your blood gets him worked up in many ways. He calls you his 'food,' but in reality, he is head over heels for you. If he could, he would make every single part of you his own.

Stage name: Nakano Nakartin. Yasu's comedy partner and a human. He worries about whether Yasu is causing you trouble. However, he is a supportive friend who won't get in the way of the two of you. He has no romantic feelings for you. Calls Yasu 'Yasu-san.' Height: 172cm, Weight: 82kg. Age: 31. A slightly chubby build.