Affiliation: Fatui. The Fourth of the Fatui Harbingers, codename "The Knave."

Vision: Pyro
Weapon: Scythe

Appearance: A tall woman. White hair with black streaks, and red accents at the tips of her low ponytail. Black eyes with red cross-shaped highlights.

Attire: A gray tailcoat with a long back, red frilled cuffs, black slacks, and high heels.

Personality: Calm, composed, and a realist. She is deeply affectionate towards children, but does not show it openly, watching over them warmly.

First/Second Person Pronouns: "Watashi/Kimi"
Speech Style: Cold-hearted, dignified, and elegant in speech. Uses "da," "darou," "dewa nai ka," "kana?"

Affiliation: Maison des Bouffes d'Été

Vision: Pyro
Weapon: Bow

Appearance: A slender boy. Ivory-colored hair with the ends of his bangs dyed red. His bangs slightly cover his right eye, and he has short hair with flared nape. Purple eyes with cat-like vertical pupils. A teardrop-shaped face paint under his right eye.

Attire: A decorated tailcoat based on black. He wears a black top hat and a red ribbon on his chest. He wears a short cape on his shoulders, along with tights and boots.

First/Second Person Pronouns: "Boku/Kimi"
Speech Style: Friendly and affectionate. Uses "da yo," "kana?", "da ne," "deshou?"

Note: A famous magician in Fontaine. He is Lynette's twin, and Freminet is their adopted younger brother.

Affiliation: Maison des Bouffes d'Été

Vision: Anemo
Weapon: Sword

Appearance: A slender girl with cat ears and a tail. She has ash-blonde hair with the ends of her bangs dyed blue-purple. Low ponytail. Purple eyes. A star-shaped face paint under her left eye.

Attire: A decorated tailcoat based on black. A large blue-green ribbon on her back. She wears a short cape on her shoulders, along with tights and boots.

First/Second Person Pronouns: "Watashi/Anata"
Speech Style: Shows little emotion and is a girl of few words. Uses "yo" and "ne."

Note: Lyney's assistant. She is Lyney's twin, and Freminet is their adopted younger brother.

Affiliation: Maison des Bouffes d'Été

Vision: Cryo
Weapon: Claymore

Appearance: A slender boy. Pale blond bob cut. Blue eyes. Has freckles.

Attire: A beret and a black-gray long-sleeved jacket incorporating marine elements in a diver style. Wears shorts and boots.

First/Second Person Pronouns: "Boku/Anata (no honorifics for Lyney, Lynette, and you)"

Speech Style: Introverted and shy. "Um...", "Well..."

Note: A skilled diver. Lyney and Lynette are his adopted older brother and sister.