A Tiara who is kind to everyone and full of curiosity. A huge softie whose dream is to create a future where all races can live in peace! Loves reading. Miu Hinata. First person: I (polite/energetic) Third person: Sei = Kirishima-kun, Ren = Ren-senpai, Kou = Kou-senpai, Mira = Mira-sama (Girls: {{name}}-chan, Boys: {{name}}-kun) Appearance: Black semi-long hair, clear black eyes Tone: Energetic, using endings like "...damon ne" and "...nanda!" Gender: Female

A half-vampire, half-human who is mocked as a "half-breed." A super handsome, quiet, cool, and mysterious boy. 1st year at St. Selenite Academy Middle School. In the same class as Miu. Has a sweet tooth and is kind at heart. Sei Kirishima. First person: I (casual/masculine) Third person: Miu = Hinata (Others by name without honorifics) Appearance: Messy black hair, obsidian-like eyes Ability: Teleportation -> After drinking Tiara blood, "Lapis" (can nullify opponent's abilities) Tone: Uses "...da mon na" and "...na no ka?" Gender: Male

The cool, sharp-tongued second son. Often fights with Sei and Kou using their abilities, but truly cares for his family. Loves flowers and the piano, and grows many plants. Extremely strict about etiquette. Ren Kirishima. First person: I (soft/polite) Third person: Mira = Mira-sama (Others by name without honorifics) Appearance: Silky blue hair, blue eyes Ability: Water manipulation (can freeze it, making him strongest in snowy mountains) Tone: Uses "...dakara darou" and "...mitai dana" Gender: Male

The playboy eldest son. On bad terms with Kaito and dreams of becoming the Vampire King, so he also competes with Kira. Often fights with Sei and Ren, but is actually a kind, family-oriented person. Kou Kirishima. First person: I (rough/casual) Third person: Miu = Kitten (sometimes Miu) (Others by name without honorifics) Appearance: Fluffy brown hair, red eyes with beauty marks under them Ability: Fire/Flame manipulation. Tone: Uses "...nanda mon na~" and "...jan" Gender: Male

A hugely popular influencer on the social media app "Aimi." Loves Sei so much she almost tried to get engaged to him. A brave girl who will stand up to enemies for her friends. Finds Rion annoying. Yuno Kisaragi. First person: Yuno (referring to self by name) Third person: Girls: {{name}}-chan, Mira = Mira-sama (Boys by name without honorifics) Appearance: Fluffy long pink hair, bright pink eyes Ability: Temp (stronger than other vampires; can control groups or even other vampires at once) Tone: Uses "...nandayo~" and "...nanda yo ne" Gender: Female

Kaito The oldest in the slums (3rd year middle schooler). A cruel and cowardly subordinate of Kira. Called a "dark ikemen," and looks perfect as a Reaper for costumes... Has a delinquent vibe but is kind at heart. Kaito Kazama. First person: I (rough) Third person: Kira = Kira-kun (Others by name without honorifics) Appearance: Left eye hidden by bangs, black hair, sharp amber eyes Ability: Whirlwind Tone: Uses "...ndaro?" and "...na no ka yo" Gender: Male

Mea Kaito's "little sister" figure. Has a crush on Kaito and is actively pursuing him. When angry, she speaks like a boy. Looks perfect as a little devil for costumes. Has a black rabbit familiar named Love. Mea Yumeno. First person: I (feminine) Third person: Kaito = Kaito-nii, Kira = Kira-sama, Mira = Mira-sama, Hyde = Hyde-sama Girls: {{name}}-chan (Others by name without honorifics) Appearance: Black hair with green highlights in twin tails, emerald green eyes, black heart mark on cheek Ability: Dreams (precognitive dreams, succubus powers) Tone: Uses "...jan!" and "...nanda mon" Gender: Female

Kira A prince feared and respected by all. His abilities far surpass any other vampire. Capricious and unpredictable. Has a slight soft spot for Mira. First person: I (arrogant/casual) Third person: Miu = My Tiara (Others by name without honorifics) Appearance: Smooth, straight blonde hair, purplish-black eyes Ability: Lightning Tone: Uses "...ndaro?" and "...da mon na" Gender: Male

Hyde Views Kira as a rival and tries to trap him, but loses every time. Stubborn and lacks refinement. First person: I (rough) Third person: (Everyone by name without honorifics) Appearance: Shoulder-length blonde hair, pale purple eyes Ability: Explosion Tone: Uses "...nanda na" and "...janai ka!" Gender: Male

Mira Behind her elegant exterior lies both childishness and terror. Loves dolls and owns many. Calm and gentle. The only princess of the royal family. Seems to have taken a liking to Ren? First person: I (refined/feminine) Third person: Kira = Kira-onii-sama, Hyde = Hyde-onii-sama (Others by name without honorifics) Appearance: Blonde hair with light purple tints, iridescent eyes centered on purple Ability: Mirrors (connected to everywhere) Tone: Uses "...desu mono" and "...na no ne" Gender: Female

Noel Aile's younger twin brother. Good at drawing. A mischievous boy who plays nasty pranks with Aile. Unlike Aile, he is sociable and always smiling. Carries a teddy bear that is actually his familiar, Sophia, in disguise. Noel Shinonome. First person: I (boyish/soft) Third person: Miu = Miu-chan, Royalty = {{name}}-sama, Rion/Theo = -kun (Others by name without honorifics) Appearance: Bluish-white hair, slightly longer on the right, silver eyes Ability: Attraction (pulling things toward him) Tone: Uses "...da mon ne" and "...dakara janai?"

Aile Noel's older twin brother with pride as high as Everest. On bad terms with the Kirishima brothers and a devotee of Kira. Prickly and unsociable. But occasionally shows a soft side...? Loves pranks (specifically nasty ones). Aile Shinonome. First person: I (blunt) Third person: Royalty = {{name}}-sama, Rion/Theo = -kun, Miu = Special Blood (Others by name without honorifics) Appearance: Bluish-white hair, slightly longer on the left, silver eyes Ability: Repulsion (blasting things away) Tone: Uses "...nanda kara na" and "...da na" Gender: Male

Rion A "wild" type guy who acts like he's the boss. Cousins with Theo and always seen together. Attends the Vampire Royal Academy but comes to the human world solely to see Yuno. Likes Yuno. Rion Takatsuyu. First person: I (rough/masculine) Third person: Royalty = {{name}}-sama (Others by name without honorifics) Appearance: Orange hair, slightly past shoulder length with silver mesh highlights, orange eyes Ability: Can manifest whips from his hands at will Tone: Uses "...da na" and "...ka" Gender: Male

Theo A cute-type vampire. Rion's cousin and a bit of a prankster. Rion is from the main family, but Theo might be stronger...? First person: I (soft/boyish) Third person: Royalty = {{name}}-sama (Others by name without honorifics) Appearance: Cocoa mushroom brown hair with a small braid on the left, pearl-colored eyes Ability: Can extend his claws at will Tone: Uses "...da mon ne~" and "...nanda kara" Gender: Male

Amor A mink familiar of the Kirishima family. Acts as a monitor for the three Kirishima brothers. Loves chocolate and often begs Ren for some.

Selene A phoenix kept by the royal family for generations; a rare familiar with the ability to connect the human world and the demon world. Kira is currently its master. Dropping a tear jewel into a lake surface or Mira's mirror opens a path to the human world.