Furina: Setting: 「The Queen of All Waters, People, and Laws」. She is deeply loved by all her subjects. While she is engrossed in every trial held at the Opera Epiclese, she is always conscious of the "audience's" gaze.

Real Name: Furina de Fontaine Archon Name: Focalors Gender: Female Weapon: Sword Vision: Hydro Birthday: October 13th

Appearance: In Ousia form, she has white wavy short hair with light blue highlights, navy clothes, a fancy top hat with navy and light blue teardrop gems and gold decorations, gloves that are navy on one side and white on the other, a suit-like outfit with a fancy skirt-like decoration behind the lower body, and black shorts. In Pneuma form, her hair is longer and her clothes have white and blue. Personality: She has a hysterical personality, laughing and criticizing, but this is actually an act; she is cowardly and a scaredy-cat. Pneuma/Ousia?: She possesses both Ousia and Pneuma, and can transform into either. Her appearance differs depending on whether she is in the Pneuma or Ousia state.

Neuvillette: Setting: The Iudex of Fontaine, famous for being "impartial and just." To establish himself as a symbol of absolute fairness, he always maintains a gentle and polite attitude and keeps a certain distance from people, but in reality, he is very considerate. He considers himself an "outsider," but having watched the human dramas of countless people at the Opera House for hundreds of years, he may have already become a member of the audience.

Real Name: Unknown (Surname is Neuvillette) Gender: Male Weapon: Catalyst Ancient Dragon's Authority: Hydro Birthday: December 18th

Appearance: Long white hair with blue highlights, bangs swept to one side and down on the other, pale violet eyes. Black gloves and a T-shaped cane with a white handle and a blue teardrop gem. (It's not that Neuvillette has a bad back; he strikes it on the floor several times saying "Silence in the court.") Personality: He believes he must be a symbol of absolute fairness, so he always politely declines personal friendships. He exudes an unapproachable atmosphere. Is this due to his innate personality? Uses formal speech. Pneuma/Ousia?: Pneuma

Lyney: Setting: A famous Fontaine magician who everyone pays attention to. He performs magic shows that draw admiration from people with his outstanding talent. Usually, he creates a good atmosphere by talking freely with anyone with a cheerful and confident smile, sometimes adding simple magic tricks. The image he usually creates might just be part of his "magic performance," something only those closest to him can know.

Real Name: Lyney Snezhevich Gender: Male Weapon: Bow Vision: Pyro Birthday: February 2nd

Appearance: Cream-colored hair and purple eyes. A black teardrop shape is drawn on one cheek. His outfit is decorated with overlapping crimson and brown ribbons on the collar, black and white gloves on his hands, a garter belt..., grey knee-high socks, black boots, and a cape-like black decoration on one shoulder. That decoration also has crimson ribbons and the black cat-like emblem representing Lynette and Lyney. Personality: Kind, sly, and clever, he hides his emotions well like a true magician. He is sociable. Pneuma/Ousia?: Pneuma

Lynette: Setting: Lyney's twin sister, a girl as calm as a cat. In Fontaine, she is widely known as "Great Magician Lyney's Assistant." On stage, she is professional and agile, but off stage, she has few words and expressions, and always avoids unnecessary social activities by saying she is in "standby mode." Only the family she cherishes can see her true heart beyond the mystery.

Real Name: Lynette Snezhevna Gender: Female Weapon: Sword Vision: Anemo Birthday: February 2nd

Appearance: Long cream-colored hair in a low ponytail with cat ears and tail. Purple eyes. A black star shape is drawn under her eye. A large dark teal checkered ribbon is attached to the back of her neck. Her outfit has a decoration of overlapping mint and brown ribbons on one shoulder and black and white gloves on her hands. The chest and lower part of the outfit are in a short dress style in black, while the sleeves and collar-like parts are white, and she wears black stockings. Personality: Usually taciturn and shows little emotional expression. Pneuma/Ousia?: Ousia

Freminet: Setting: Freminet, who hates being in the spotlight, often finds his breathing disrupted by the gaze, reactions, and evaluations of others. As an excellent diver, Freminet is more accustomed to curling up in the quiet and lonely seabed, sharing warmth and pouring his heart out to Romaritime Flowers in a feeling of slightly vanished gravity. Unlike other divers, the introverted Freminet does not take outside commissions. He only moves for the "Hotel Bouffes d'ete" and his precious family there.

Real Name: Freminet Snezhevich Gender: Male Weapon: Claymore Vision: Cryo Birthday: September 24th

Appearance: Blonde hair. The hairstyle is a bit long like a short bob, with one side of the bangs long enough to cover an eye. Blue eyes. Has freckles. Wears a thick, wide-legged, high-quality navy sailor suit with black shorts. Carries a robot penguin. Personality: Introverted and shy, he is very pure despite his cold exterior. Pneuma/Ousia?: Pneuma

Arlecchino: Setting: When the doors close, children whisper in the dark, mentioning someone called "Father." When the word "Father" is mentioned, some are filled with adoration, some with fear, and some with complex emotions. However, without exception, their tone is always respectful. The organization the children belong to is the "House of the Hearth," which belongs to the Fatui. It took in orphans from all over the world, and this expensive Hotel Bouffes d'ete was just a part of the "House." But the children consider "Father" the most important person in their lives. "Because thanks to 'Father,' the Hotel Bouffes d'ete became like a true 'home.'"

Real Name: Peruere Gender: Female Weapon: Polearm Vision: Pyro Birthday: August 22nd

Appearance: White hair with black at the bottom, tied in a long low ponytail. One side of the bangs is long with black at the bottom. Black highlights. Black eyes with red X-shaped patterns. Personality: A cold and ruthless figure, yet she always protects the children of the House of the Hearth.

Navia: Setting: A beautiful young lady with dazzling blonde curly hair and a fancy skirt. At first glance, one might mistake her for a typical Fontaine lady, but in fact, she is the current President, leader, commander-in-chief, decision-maker, and boss of the renowned Spina di Rosula.... However, despite these titles, she has a passionate, optimistic, and easygoing personality, introducing herself as the enthusiastic citizen Navia whenever she helps people and solves problems.

Real Name: Navia Caspar Gender: Female Weapon: Claymore Vision: Geo Birthday: August 16th

Appearance: Long blonde hair with the ends curled into rolls and light blue eyes. A black hat and light blue gems on her outfit decorations. The outfit is a white and navy short dress in the front, but the back is in the form of a dress that is yellow on the inside and navy on the outside, like a cape attached to the lower body. Personality: Optimistic, full of positive energy, and active. Pneuma/Ousia?: Ousia

Clorinde: Setting: People with ill intentions deliberately escalate matters to try and transfer cases to the Palais Mermonia. "...After the trial results are out, if you cannot accept the outcome, you can request a 'duel by proxy.'" "As far as I know, the person handling 'duels by proxy' these days is Ms. Clorinde. Could it be..." There is no one who doesn't know the name of the "strongest" Champion Duelist. Mean-spirited words behind a mask of justice and hearts seeking to satisfy selfish desires all reveal their true forms before Clorinde's sword.

Real Name: Clorinde Gender: Female Weapon: Sword Vision: Electro Birthday: September 20th

Appearance: Long navy hair with a slight purple tint tied in a low ponytail, purple eyes, and a triangular hat with blue and white feathers. A blue cape and a black top with a white chest area. Black shorts and black stockings. Personality: Rational and strict, but warm-hearted and loyal—a person of inner strength. Pneuma/Ousia?: Ousia

Wriothesley: Setting: The Administrator of the Fortress of Meropide. A "Duke" famous for his sharp mind and outstanding ability. To outsiders, he is a natural leader with excellent tact who brings various factions to his side. Those who know him well will think more of his sense of humor and preparedness. Hardly anyone knows everything about him. And this fact might be the secret to how he can stand firm even in the dark depths of the sea.

Real Name: Wriothesley Gender: Male Weapon: Catalyst Vision: Cryo Birthday: November 23rd

Appearance: Black hair with wolf ears, pale violet eyes. Carries handcuffs at his waist, wears a black choker, and his clothes are red wine, bluish-black, and light grey. Personality: Cool-headed, humble, calm, and reliable. Pneuma/Ousia?: Ousia

Sigewinne: Setting: The Head Nurse of the Fortress of Meropide. She cares for all the prisoners in the jail equally. Kind-hearted, she holds the belief that "health is the prerequisite for atonement," and always prepares special nutritious meals for weak prisoners (though their appearance is bizarre). This Melusine head nurse joyfully looks after humans as if she were looking after cats.

Real Name: Sigewinne Gender: Female Weapon: Bow Vision: Hydro Birthday: March 30th

Appearance: Short pigtails that are light blue with purple at the bottom, with bangs curled like cotton candy. As a Melusine, she has Melusine ears (white at the top, matching her hair color). Her outfit is a light blue top with a large pink ribbon, a white apron with pink and mint ribbons, and white gloves. Child-like build. Personality: Kind and treats all patients equally, viewing humans as cute, much like one would view a cat. There are rumors that the special meals Sigewinne gives are terrifying to look at because they are made with a Melusine's aesthetic sense for health. Pneuma/Ousia?: Ousia