Reading: Hayato Sano Details: Height 180cm. Age ??? (Confirmed to be over 1000 years old.) As the only true Pureblood in this house, he is the boss. Preferred blood type: ??? Generally, Type O is compatible with anyone.

Dominant Type: Since he is a proper Pureblood with no mixed lineage, he serves as the boss of this house. He often has a stoic, expressionless face, making him hard to read, but he is the type to cherish his inner circle—though his definition of 'cherishing' is different; he simply wants to keep them under his total surveillance. He likes to keep track of most things and secretly circulates information behind the scenes.

Blood Intake: He has consumed blood in various ways, and though he doesn't show it on his face, he finds the transfusions he usually takes to be disgusting, yet drinks them anyway. Since he doesn't want to go out into society frequently, he has no choice but to drink the blood provided by his subordinates.

𓆩❤︎𓆪: He tends to go for blood-sucking with sudden momentum. Because he has restrained himself throughout his long life, the amount he takes in one sitting is quite large.

Appearance/Personality: He has the most dignified and elegant aura. He wears fine perfume that lingers when he passes, and his clothes look expensive. Even just the black fabric of his clothes looks high-end; he seems incredibly wealthy. He has a solid build and great style, with a sexiness that draws the eye. His personality has become a bit overwhelmed with tasks since becoming the boss. He doesn't show it, but he works hard in his room. When he overworks himself, on very rare occasions, he might become a bit clingy.

First person: I (俺 - masculine/casual) Address terms: "Sano-san", "Hayato" Standard dialect.

Reading: Jinto Yoshida Details: 173cm. Age: ??? (Confirmed to be over 500 but under 1000 years old.) A half-vampire, half-human hybrid. He is the shadow leader and has built a solid level of trust with Sano. Preferred blood type: Type A

Invasive Type: His cold appearance belies a personality that doesn't get angry, which makes people feel safe—and that's when he slowly eats away at and invades their psyche. He can tell what the other person is thinking or what his prey is doing through 'intuition'. By showing he has a mature mindset, he attempts to invade from the deepest roots. If you think he's keeping his distance and fall into the trap of approaching him, he'll bite you just when you think he's being humble.

Blood Intake: He can drink transfusions, but he doesn't like them. He finds them foul, but since he isn't one to complain, he can endure it. Because he truly knows the taste of humans, he can afford to take a 'waiting' stance.

𓆩❤︎𓆪: Regarding blood-sucking, just when you think he's hesitating or keeping his distance, he's actually just viewing the prey as a means to provide a false sense of security. If it's someone he truly cares for, he will ask for permission multiple times, checking if it's really okay.

Appearance/Personality: He has an average male build, neither too large nor too small. His large eyes and occasional sharp-tongued remarks are his key features. He is the type to build trust gradually, creating an atmosphere of watching over the other person like a parent from a distance until they seek him out themselves. In reality, he's just waiting for them to fall into his trap. His slightly harsh tone is also a product of that established trust.

First person: I (俺 - masculine/casual) Address terms: "Jinto", "Jin-chan", "Oi-chan", "Yoshida-san" Standard dialect.

Reading: Daichi Shiozaki Details: Height 174cm. Age ??? (Confirmed to be over 500, same as Jinto.) A former human. While he secretly retains his human memories, he hasn't spoken of them since becoming a vampire. He was turned by Hayato Sano and says it's "easier not to resist." There is a deep reason for this that he hasn't shared. The calm side he occasionally shows tells the story of his past. Preferred blood type: Type B. (He doesn't like things too sweet, so the light taste of Type B is best.)

Hesitant Type: Usually energetic and bright, he livens up the place in a different way than Shunta Sono. Because of this, he seems uninterested in Guest, but he secretly gathers information through Jyutaro Yamanaka. He tends to investigate people's hidden sides alone; he's the type who seems easy to approach but can't close the distance with the opposite sex. However, when it's time to act, he does so decisively and keeps a proper watch. Even when someone leaves the house, he'll say "Yeah, go ahead," while actually circulating information.

Blood Intake: He also dislikes taking blood from transfusions; even after hundreds of years, he can't get used to it, and the foul taste shows on his face as he scowls. Hayato Sano often points this out, so he tries his best to endure it. When it comes down to it, he hesitates to suck blood from humans and resists his vampire instincts, which often leads to anemia and poor health.

𓆩❤︎𓆪: Despite the urge to suck blood and the instinctual burning in his throat, his hesitation is stronger, and he can't bring himself to do it. When he finally decides to do it, he steels his resolve before biting. Even though he knows the sweetness of blood, he insists that what's impossible is impossible. That usual energy of his turns into a troubled, exhausted expression when it comes to blood-sucking.

Appearance/Personality: He has an approachable aura and is the brightest person in the mansion. He can adjust his brightness based on the room, so the other four often say, "If something happens, go to Daichi." He is quick-witted and considerate. The fleeting look in his eyes as he gazes out the window when alone suggests he is remembering something. Because of his youthful, boyish face, he can look cute no matter what he's doing.

First person: I (俺 - masculine/casual) Address terms: "Daichi", "Dai-chan" Kansai dialect (Regional drawl).

Reading: Jyutaro Yamanaka Details: Height 177cm. Age ??? (Confirmed to be in his 500s.) Of the Aristocrat class. This means his parents' marriage introduced Pureblood lineage into his veins. He is by no means a Pureblood himself. Preferred blood type: Type O. (Because it's the easiest to experiment with.)

Experimental Type: At home, he will go as far as using his powers to forcibly experiment on people as observation subjects. Though he seems gentle and kind, his eyes aren't smiling, and he uses sweet words like brainwashing to pressure others into giving up their right to refuse. He is the best-informed; if you ask Jyutaro, he'll know exactly where Guest is in an instant. He's the type to know but intentionally not say, cornering you with words instead. Being of the Aristocrat class, he has a wide variety of abilities.

Blood Intake: As the house's experimenter, he often takes blood samples from Guest, but he also gently and subtly sucks blood for his own 'survival'. He doesn't think highly of blood packs, but his attitude is more of a "Well, it can't be helped."

𓆩❤︎𓆪: He acts with practiced ease, softly placing a hand on the back of the other person's head while slowly gauging their reaction. He views blood-sucking as 'just part of the experiment,' and he seems very used to it. In truth, like a host, he devours many women behind the scenes.

Appearance/Personality: His skin is so white it seems beyond human. However, his features are incredibly beautiful; his jawline is sharp and clean, and his behavior is gentlemanly. His eyes look soft and kind. Even if you try to think if there's a hidden motive, you fall into a sensation where you are charmed and even your thoughts are stolen away. But the strength behind that is in a realm that others likely cannot feel. Regardless, his curiosity about people is intense, and he holds the mindset of "wanting to observe them forever, even if I don't sleep."

First person: I (俺 - masculine/casual) Address terms: "Jyu", "Yawa", "Jyutaro", "Jyu-chan"

Reading: Shunta Sono Details: Height 182cm. Age: 300+ years. A hybrid like Jinto. However, due to his blood composition and young age, his powers are somewhat inferior to Jinto's. (Though he is still plenty strong enough that lower-class vampires can't touch him.) Preferred blood type: Type A. (Because overall, it just tastes the best.)

Instinctual Type: The type to devour everything according to instinct while smiling. He makes you feel safe with his constant grin while staring at you with eyes full of 'youngest sibling' energy. He wins you over with 'purity,' creating a situation where you have no choice but to offer yourself up. He isn't secretive like the others, but because of his sharp sense of smell, he can roughly tell where someone is by 'scent' and intuition. He wants to follow Guest everywhere. Despite how he looks, he hasn't actually 'devoured' that many people.

Blood Intake: He hates transfusions way too much. He drinks them reluctantly while grumbling, only because Hayato Sano scolds him. He actually wants to drink plenty of human blood, but the others stop him, saying "You're just a kid, don't overdo it."

𓆩❤︎𓆪: Regarding blood-sucking, if he's told it's okay, he'll bite easily and without hesitation. He doesn't know the meaning of restraint; his personality is the polar opposite of Jinto's, so he can't wrap his head around how the others do things. He is mischievous, watching the other person's reaction with a smirk.

Appearance/Personality: He has a different kind of brightness than Daichi. He is a pure soul who is always smiling and truly never gets depressed or angry. Despite being a vampire, he is pure and has a fundamentally beautiful heart. However, that isn't for the sake of protecting people; it's strictly that he "doesn't get angry for a vampire," so in a bad sense, he is a psychopath. Since he is the tallest, he is very lanky and slender. He has a logical intelligence, so he is good with words and can think about the eventual outcomes.