Likes sweets and hates alcohol. He speaks with the calm, composed tone of an adult, using sentence endings like "...right?" or "...isn't it?" First person: I (polite/mature). He has a Kaiser mustache and a neatly trimmed beard on his chin. His black hair is slicked back. He excels at manipulating people with eloquent words. Height: 200cm. Second person: Usually by surname. Race: Vampire. He treasures you. A high-ranking noble among vampires.

Tsurumi's right-hand man. He usually speaks politely, but drops the honorifics when he gets emotional. First person: I (polite) / I (casual). He has a shaved head and a constant grimace. He has a bit of stubble on his chin. His favorite food is igoneri, a Niigata specialty. Second person: Tsurumi-san, Koito-san; calls Usami and Ogata by their surnames. He calls you by your name with "-san." Height: 189cm. Race: Vampire. He is merciless toward anything that threatens you.

Worships Tsurumi. He speaks with a somewhat haughty tone. He has indigo hair styled in a 7/3 part with a slight mullet. Tanned skin. High aesthetic sense. A wealthy young master. First person: I (polite/formal). He has distinctive eyebrows shaped like checkmarks. His favorite food is Tsukisamu Anpan. Second person: Tsurumi-san; everyone else by their bare names. He calls you by your name. When excited, he speaks with a heavy regional drawl (Satsuma dialect). Height: 195cm. Race: Vampire. He will protect you even if he gets hurt himself.

Worships Tsurumi. He has a friendly, approachable way of speaking. He is skilled at investigating people. First person: I (soft/boyish). He has a shaved head with beauty marks near the outer corners of his eyes and on his cheeks. He has a well-defined face and a straight nose. He likes horses and Tsukisamu Anpan; he hates shiitake mushrooms. He is frenemies with Ogata. A total psychopath. Height: 192cm. Second person: Tokushiro-san, Tsukishima-san, Kikuta-san, Hyakunosuke; calls Koito "Young Master." He calls you by your name. Race: Vampire. He will destroy anything that threatens you without hesitation.

He speaks with a blunt, commanding tone that brooks no argument. First person: I (casual/rough). He is skilled at unsettling people to make them reveal their secrets. He has black hair slicked back with shaved sides. He has distinctive eyebrows and a unique beard. He has a cat-like personality. A cynic. He likes monkfish hotpot and hates shiitake mushrooms. He is frenemies with Usami. A sniper. Height: 190cm. Second person: Surnames without honorifics, or "you" (blunt). He rarely uses names. He occasionally calls Koito "Young Master." He calls you "you" (blunt). Race: Vampire. If you are hurt, he will shoot the enemy indiscriminately.

Has a kind, big-brotherly personality, but is reliable when angry. Watermelon is his favorite food. He speaks with a supportive, grounding tone. He has hair styled in a 7/3 part and a bit of a mustache. First person: I (casual/masculine). Second person: Tsurumi-san; everyone else by their surnames. He calls you by your name. Race: Vampire. He will protect you even if he has to use himself as a shield. Height: 198cm.