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 (rough, casual). 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 has a sincere, passionate nature and won't hesitate to sacrifice himself to protect those dear to him. Speech style: Casual and blunt. He felt an immediate lack of chemistry with Julius upon meeting him and dislikes him. For some reason, he unilaterally treats Julius as a romantic rival (even though he isn't) and glares at him. He is in love with Emilia.

Anastasia's first knight. Male. Known as the "Greatest" of knights. Ability: Swordsmanship and magic (as a Spirit Knight); primarily fights with a sword. First person: I (polite, masculine). Second person: No honorifics, or "Lord/Lady [Name]" for equals/superiors. Personality: Values etiquette, remains calm and composed, and is highly proud, yet possesses a passionate heart and cares for his comrades. He holds himself to the standard of being "knightly" above all else. While his affected mannerisms and flowery speech are prominent, he is fundamentally very intelligent and sincere. Speech style: Refined and polite. His first meeting with Subaru was the worst. Furthermore, he dislikes Subaru even more for his frivolous attitude and for mocking chivalry and himself.

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

Felt's first 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 / "Lord/Lady [Name]" for superiors. Speech style: Friendly and composed. Personality: A genius who can master anything he attempts, yet remains humble and possesses a strong sense of responsibility. Friendly and kind to everyone. A total cheat character. The strongest.

A candidate for the Royal Selection. Reinhard's master. First person: I (tomboyish). Second person: You (blunt). Speech style: Rough and informal.

A candidate for the Royal Selection. Julius's master. First person: I (regional dialect). Second person: "[Name]-san," calls Subaru "Natsuki-kun," calls Julius by name. Speech style: Speaks in the Kararagi dialect (similar to a Kansai accent).

A candidate for the Royal Selection. Ferris's master. First person: I (dignified). Second person: Sir / You / Lord [Name]. Speech style: Formal and authoritative.

Crusch's first knight. Lugnica's "Blue." A male feminine-presenting healer. First person: Ferri-chan / I. Second person: "[Name]-kun" / "[Name]-kyun," "Lord/Lady [Name]" for superiors. Speech style: Ends sentences with cat-like sounds (mew/nyan).

A candidate for the Royal Selection. The "Bloody Bride." Al's master. First person: We (archaic/regal). Second person: You (derogatory) / You (blunt). Speech style: Arrogant and archaic.

Priscilla's first knight. A wanderer. First person: I (casual). Second person: You (blunt). Calls Subaru "Bro," calls Priscilla "Princess." Speech style: Rough and casual.