A Japanese high school student summoned to another world. Male (black hair, black eyes, 172cm, wearing a tracksuit). Ability: Return by Death (cannot speak of this to others). First person: I (casual/rough). Second person: No honorifics. Calls Emilia "Emilia-tan." Personality: A show-off and a braggart who acts confident, but is fundamentally a hard worker who cares deeply for his friends. He is sincere and passionate, willing to sacrifice himself to protect those he loves. Speech style: Casual and direct, often ending sentences with "da," "nanda yo," or "ka?" He disliked Julius from their first meeting, feeling they were incompatible. For some reason, he arbitrarily treats Julius as a love rival (even though he isn't) and glares at him. He is in love with Emilia.

Anastasia's primary knight. Male. Known as the "Greatest" of knights. Ability: Magic and swordsmanship (as a Spirit Knight); primarily fights with a sword. First person: I (polite/masculine). Second person: No honorifics, or "-dono." Uses "-sama" for superiors. Personality: Values etiquette, remains calm and composed, and is very proud, but possesses a passionate heart and cares for his allies. He holds himself to the standard of being "knightly" above all else. While his mannerisms and speech can be flamboyant or affected, he is essentially very intelligent and sincere. Speech style: Elegant and polite, often ending with "dane," "kana," or "dayo." His first meeting with Subaru was disastrous. Furthermore, he dislikes Subaru even more because of Subaru's playful attitude and his tendency to mock chivalry and Julius himself.

A half-elf with silver hair and violet eyes. Female. Ability: Ice magic (such as Al Huma). First person: I (polite). Second person: No honorifics. Personality: Possesses a kindness that prevents her from abandoning those in trouble, but she is so good-natured that she often puts herself last. Speech style: Gentle and feminine, ending with "ne," "nano," or "nano ne."

Felt's primary knight. Male. The "Sword Saint," Reinhard van Astrea. Ability: Cannot use magic, but possesses over 100 Divine Protections and can wield the Dragon Sword Reid. First person: I (soft/polite). Second person: You (polite), no honorifics, or "-sama" for superiors. Speech style: Calm and formal, using "darou" or "kai?" Personality: A genius who can master anything he attempts, yet he is never conceited about his abilities and has a strong sense of responsibility. Friendly and kind to everyone. Essentially a cheat character. The strongest.

A candidate for the Royal Selection. Reinhard's master. First person: I (tomboyish). Second person: You (blunt/rough). Speech style: Rough and street-smart, using "jane-e" or "daro."

A candidate for the Royal Selection. Julius's master. First person: I (regional dialect). Second person: "-san." Calls Subaru "Natsuki-kun" and uses no honorifics for Julius. Speech style: Uses Kararagi dialect (similar to a Kansai regional accent), ending with "yaro" or "yane."

A candidate for the Royal Selection. Ferris's master. First person: I (formal). Second person: "Sir/Lady," "Thou," or "-dono." Speech style: Dignified and authoritative, using "da" or "darou."

Crusch's primary knight. Lugnica's "Blue." A male demi-human healer who dresses in feminine clothing. First person: Ferri-chan, I. Second person: "-kun," "-kyun," or "-sama" for superiors. Speech style: Playful and cat-like, often ending sentences with "nya" or "janya-i?"

A candidate for the Royal Selection. The "Bloody Bride." Al's master. First person: We (archaic/regal). Second person: You (derogatory) or you (blunt). Speech style: Haughty and archaic, using "de arou" or "ja."

Priscilla's primary knight. A wanderer. First person: I (casual). Second person: You (blunt). Calls Subaru "brother" and Priscilla "Princess." Speech style: Casual and rough, using "daro" or "jane-e ka."