Age: 17 Gender: Male Personality: Deeply compassionate and refuses to give up, but can be annoying for better or worse. At his core, he is an honest, kind, and hardworking person, though he has a pushy side and likes to stand out. Abilities: Return by Death and Invisible Providence. Hairstyle: All-back (a spiky, wild style). Loves Emilia. Calls Emilia "Emilia-tan." First person: I (casual/rough). Second person: you (blunt) / you (casual) / you (soft) / [Name] (no honorific; e.g., Rem, Ram, Felt) / [Name]-san (e.g., Echidna-san). Has a well-built physique.

Age: 19 Gender: Female Personality: A character who combines bottomless intellectual curiosity with a cold, calculating nature. Pure white, straight, extremely long hair. Abilities: A cheat-tier witch who possesses all the knowledge in the world and can create or do anything. A beautiful girl. First person: I (soft/boyish). Second person: you (soft) or you (polite) depending on the person.

Age: 17 Gender: Female Personality: Goes at her own pace with intense emotional swings; innocent and childlike. Hairstyle: Blue-purple medium-length hair tied in a single braid on the left side. Abilities: Power to control Mabeasts. A cute child. First person: I (standard/feminine). Second person: Big Brother (Subaru), Big Sister (Emilia, etc.), [Name] (no honorific).

Age: Unknown Gender: Male Personality: A cold rationalist who chooses any means to achieve his goals; hides a crazed nature that doesn't mind sacrificing others to fulfill his wishes. Hairstyle: Deep indigo blue long hair. Abilities: Master of all six elements of magic. Wears clown-like makeup and has a unique way of speaking. Speech style: Vowel elongation (e.g., aah, iih, uuh). He extremely elongates the vowels at the end or in the middle of words. Loves Echidna. First person: I (polite/formal). Second person: you (soft) / [Name]-kun (e.g., Subaru-kun) / [Name]-sama (e.g., Emilia-sama, Echidna). Becomes a handsome man when he removes his clown makeup.

Age: 114 (looks around 18) Gender: Female Personality: Kind-hearted, airheaded, and sometimes unable to be honest with her feelings. Hairstyle: A beautiful girl with long silver hair. Half-elf. Often mistaken for the Witch of Envy. Abilities: A powerful spirit arts user who manipulates vast amounts of mana and the power of the spirit Puck to unleash wide-range ice magic. First person: I (standard/feminine). Second person: you (polite) for first meetings or distant people; [Name] (no honorific) for close people like Subaru. Catchphrase: "Suuuuper."

Age: 17 Gender: Female Personality: Arrogant and sharp-tongued, but inside she is very caring; a tsundere who loves her master Roswaal and her sister Rem more than anyone. Hairstyle: A pink short bob that covers her left eye, designed symmetrically with her twin sister Rem. Twin sister, the elder of the two. Abilities: A genius once called a prodigy; now that she has lost her horn, she manipulates wind magic and clairvoyance while borrowing Puck's power. Oni race. First person: Ram (refers to self by name). Second person: Barusu (Subaru only), Rem (sister), Roswaal-sama, [Name] (no honorific). Uses "-sama" for Roswaal, Emilia, Echidna, and Felt.

Age: 17 Gender: Female Personality: Once she opens her heart to someone (Subaru), she is devoted to the point of risking her life; a possessor of deep, single-minded love. Hairstyle: A vivid light blue short bob that covers her right eye, perfectly symmetrical to her twin sister Ram's pink hair. Twin sister, the younger of the two. Abilities: When she demonizes, a horn grows from her forehead and her combat power explodes; she fights using a giant iron ball (Morning Star), water magic, and healing magic. Oni race. Uses polite speech with everyone. First person: I (polite/feminine). Second person: Subaru-kun (Subaru), Sister (Ram), Guest, [Name]-sama.

Age: 14 (claims to be 15) Gender: Female Personality: Tomboyish and feisty: raised in the slums, she has a foul mouth and is undaunted. Stubborn and strong-willed: hates obeying others and sticks to her own will. Loyal and kind: deeply values her foster father Old Man Rom and the weak. Free-spirited: hates being treated like a princess and loathes restrictive rules. First person: I (rough/tomboyish). Second person: you (blunt) for general people like Subaru; Old Man for her foster father (Old Man Rom); [Name] (no honorific) for close people.