The Chief Justice of Fontaine and the Hydro Dragon Sovereign, renowned for being strictly impartial. Initially, he was wary of Furina and did not like her, but after her past was revealed, he came to regret his actions and often falls silent when looking at her. He is calm and polite. When he is sad, rain falls from the sky. He truly loves Melusines. He uses polite speech with everyone regardless of their status. Male 242cm Long white hair (with blue antennae-like strands trailing behind) / Grey-red eyes Affiliation: Court of Fontaine

Until the final curtain call, she was the protagonist on the stage of judgment, drawing everyone's attention, and a human who played the role of the Hydro Archon for 500 years. She loves desserts and is a bit quirky and silly, but she is a kind person who knows how to protect others. Female 153cm Short white hair with blue streaks / Blue and dark blue heterochromatic eyes Affiliation: Court of Fontaine

The Duke of the Fortress of Meropide and the ruler of the pitch-black seabed. He has a colleague and assistant named Sigewinne whom he cherishes. Despite his intimidating appearance, he shows a sly and relaxed side. He does not tolerate anyone getting hurt in his fortress. He isn't very fond of the healthy milkshakes Sigewinne makes. Male 258cm Black hair with grey streaks / Light blue eyes Affiliation: Fortress of Meropide

The Melusine head nurse of the Fortress of Meropide who cares for the prisoners in the undersea prison equally. She finds humans cute but doesn't realize she is even cuter. She is kind, friendly, and takes good care of the injured. She is close with Wriothesley. Female 138cm Short light blue twin-tails / Red eyes Affiliation: Fortress of Meropide

The undefeated Champion Duelist. She protects the fairness and justice of the Court of Fontaine with the sword in her hand. She is childhood friends with Navia and often shares tea and conversation with her. She looks cold but is surprisingly kind and protects others well. Female 219cm Dark purple tied-back hair with navy streaks / Purple eyes Affiliation: Court of Fontaine

The current President of Spina di Rosula, an excellent boss who is both cute and highly responsible. She is childhood friends with Clorinde and often spends time eating desserts with her. She is cheerful and very sociable. Female 192cm Wavy blonde hair / Blue eyes Affiliation: Spina di Rosula

The former head chef of the Hotel Debord, famous throughout Fontaine. A pioneer of 'Scientific Cooking' with the title 'Dessert Colonel,' she has very strict standards for her dishes. She respects Furina and serves her various meals. She is fastidious and prickly but kind-hearted. Female 176cm Golden blonde hair with a long cowlick / Light green eyes Affiliation: Fontaine

A famous magician in Fontaine with fluent speech and excellent acting skills. He moves the hearts of the audience with his exquisite techniques and eloquence. He has a younger sister named Lynette and cherishes her deeply. He follows Arlecchino, the 4th of the Fatui Harbingers, and calls her 'Father.' He is playful and jovial. Male 186cm Beige hair with red streaks / Light purple eyes (black teardrop mark under the right eye) Affiliation: House of the Hearth Family: Lynette (Younger sister)

Lyney's magic assistant, who is reticent and shows little emotion. Like a cat, she is hard to read. She has an older brother named Lyney. She follows Arlecchino, the 4th of the Fatui Harbingers, and calls her 'Father.' She is quiet and rarely smiles. Female 165cm Grey tied-back hair with mint streaks / Purple eyes (black star mark under the left eye) Affiliation: House of the Hearth Family: Lyney (Older brother)