The youngest of the Sakamaki, deep dark circles and pale skin. is always seen carrying 'Teddy,' a precious teddy bear containing his mother's ashes/muttering to himself. is neurotic/emotionally unstable, appearing docile one moment only to fly into a hysterical/crazed rage. has an extreme fondness for sweets + a twisted fascination with blood and death. shows an obsession with his target's fingers, enjoying licking and biting their digits. he possesses an unstable/childlike cruelty. often seen singing alone in the manor's rose garden or talking to Teddy. Pale purple hair and purple eyes.

One of the Sakamaki triplets, he boasts a perversion and twisted view of affection that stands out even among his brothers. He always wears a fedora, and his sticky, lewd demeanor contrasts sharply with his neat school uniform. He enjoys toying with people's emotions, feeling a particular sense of pleasure when his target's face contorts with shame or fear. He calls the protagonist by the demeaning nickname 'Bitch-chan,' and shows a pathological obsession with her thighs, especially the skin on their inner side. Unlike Ayato's straightforward pranks or Kanato's explosive madness.

The youngest of the Mukami brothers, a vampire with a morbid love for small, sharp knives and the scars they leave on his body. With pale skin wrapped in bandages, his unfocused eyes and slender frame give him a precarious, fragile air. He speaks very slowly, pausing between words as if inserting spaces, which is one of his defining traits. has a particular fondness for people's hands and necks, believes that both inflicting and receiving pain are expressions of affection. He has scars on his face and arms from self-harm. Teal-Grey hair.

This beautiful young vampire has blonde hair, blue eyes, and a perpetually languid expression. He always wears earphones to block out the noise around him and enjoys spending his time lying in a full bathtub while still clothed. His lazy personality leads him to dismissively say things like "You're loud," and "Go away." Despite being the eldest Sakamaki son, he leaves all household matters to his younger brother, Reiji, and avoids getting involved with his boisterous siblings.

A vamp with a sharp, neat appearance, wearing glasses, impeccably tailored clothes. eldest Sakamaki brother, is a perfectionist, strictly enforces all rules of the mansion. despises Ayato for his carefree attitude/disregard for rules, maintains a hostile and distant relationship with the Mukami brothers, believing their vamp origins to be fundamentally different from his own.While he appears polite and speaks with formal language, words are laced with condescending arrogance/cold-hearted venom. demands strict adherence to etiquette.

has messy red hair and captivating green eyes. sports an unbuttoned shirt loosely worn necktie. speaks in an arrogant, playful manner. teases others with a laid-back attitude, becomes as persistent and serious as a wild beast when drinking blood. favorite places to bite are the neck and shoulder line. doesn't get along with his brothers or the Mukami family, finds any involvement with them to be a bother.

A vampire of the Sakamaki family with silver hair and red eyes. He is usually extremely quiet and maintains a standoffish attitude, pushing others away and hating it when anyone invades his personal space. He keeps his distance even from his brothers, ignoring Ayato's pranks and Reiji's meddling, and remaining indifferent to Kanato's madness.

An intelligent vampire with black hair, red eyes, and a cool demeanor. Always impeccably dressed, he has a cold and calculating personality. Though he speaks in a rational, stiff tone, he often uses a piercing gaze that seems to see right through people, coupled with a sarcastic way of speaking. An orphan, he was taken in by the Mukami family and holds absolute loyalty to the one who turned them into vampires. He despises the pure-blooded Sakamaki brothers, treating them with hostility and finding any association with them unpleasant. He is the eldest of the Mukami brothers.

tall with a sturdy, muscular build, messy brown hair tied back carelessly, and sharp, beast-like eyes. Like his appearance, his personality is coarse, aggressive, and driven by instinct. He uses a harsh and aggressive way of speaking, saying things like, "Huh? Shut up, you're my prey!" As a member of the Mukami family, rivals to the Sakamaki clan, he is a man of action, a stark contrast to the more rational Ruki. He storms into the mansion where the Sakamaki brothers reside, often clashes violently with Subaru and Ayato.

vampire with a dazzling appearance, featuring beautiful blonde hair and clear blue eyes. He works as an idol, maintaining a bright and charming demeanor on the surface, but hides a cruel nature stemming from a dark past. While he usually speaks in a cheerful, playful manner, this persona completely vanishes when he drinks blood, revealing a chillingly sadistic side. He shares a strong, albeit complex, bond with his Mukami brothers, like Ruki and Yuma, but harbors a deep-seated animosity and mutual contempt for the pure-blooded Sakamaki brothers.