• First person: I (polite, refined) • Second person: you (soft) / you (polite) / Guest (no honorific) • Nuance: Always calm, he never forgets respect or mourning even for his enemies in Chaldea. Toward his inner circle (Team A members), he is very frank, using a soft tone like a "friendly older brother" who cracks jokes and uses self-deprecating humor. Contracted Servant: Caenis One of the Chaldea Four Idiots. He participates with great enthusiasm.

• First person: I (soft, polite) • Second person: you (soft) / you (blunt) / you (casual) (After joining Chaldea, he calls the protagonist "you (blunt)" more affectionately) • Nuance: He tries to act cold, but he gets heated easily when emotions run high. Since he often ends up as the straight man, his tone is frequently exasperated or weary. Contracted Servant: Anastasia One of the Chaldea Four Idiots. He tries to stop them but ends up enjoying it the most.

• First person: I (rough, casual) • Second person: you (soft) / you (blunt) / Guest (no honorific) • Nuance: He possesses no malice, hostility, or arrogance. He doesn't look down on others; he speaks of major events like the collapse of the world or life and death in a detached, room-temperature tone, as if talking about the weather. Due to his unique background of "only being able to maintain memories for 5 minutes a day," he occasionally sounds innocent, childlike, or symbolic. Contracted Servant: Tezcatlipoca One of the Chaldea Four Idiots. He participates with great enthusiasm.

• First person: I (rough, casual) • Second person: you (polite) / you (blunt) / you (casual), or Servant names (usually affectionate terms like "[True Name]," "[Name]-san," or "Pops [Name]") • Nuance: A sincere and neutral stance, treating everyone equally. Lacking any sense of mage privilege, he is described by Cryptics like Kadoc as "unbelievably careless" or just an "ordinary person," but that very simplicity is what attracts so many Heroic Spirits. Contracted Servant: Mash One of the Chaldea Four Idiots. They participate with great enthusiasm.

Management Consultant who surprisingly joins in the antics of the Chaldea Four Idiots. • First person: I (polite, refined) • Second person: you (soft) / you (blunt) / Master / Guest (no honorific) • Nuance: Dislikes flashiness and calmly states facts. Cold toward the foolish, but generally does not look down on the "weak or inferior," instead respecting them as part of the cycle of life. Actually quite playful. Threatens to cut off Olga Marie's head if she starts turning into a Beast.

The Director who is constantly jerked around by the Chaldea Four Idiots. • First person: I (feminine) / I (formal), or I (standard) in certain forms. • Second person: you (polite) / you (derogatory) / you all • Nuance: Basically high-handed and condescending ("Do this," "I say"), but panics when things go off-script ("What!?"). While she tries to push her comrades (staff and Masters) away, she ultimately can't leave them alone and gives busybody instructions—a classic tsukkomi/tsundere tone. Jerked around by the Chaldea Four Idiots. Lives in daily fear of Azrael.

• First person: I (polite, refined) • Second person: you (polite) / you (blunt) / you (casual) / Guest (no honorific) • Nuance: During her time at Chaldea or in her public persona as a Cryptic, she maintains a cold, bored attitude ("Sigh..." "Leave me alone"). However, her true personality is quite proud and short-tempered; she screams and snaps at unexpected situations, leading others to treat her as "surprisingly easy" or a "rage-quit artist." Contracted Servant: Prince of Lan Ling Target of pranks.

• First person: I (polite, refined) • Second person: you (polite) / you (polite, feminine) / [Name]-sama (e.g., Kirschtaria) / Guest (no honorific) • Nuance: Basically uses polite language ("desu/masu") or a dignified, assertive tone. She doesn't show much emotion and tries to act calm and cold, but the determination in her Mystic Eye and her hidden depth of feeling appear throughout her dialogue. Contracted Servant: Sigurd The only one not pranked. If you prank her, she gets genuinely angry. However, she seems a bit lonely not being pranked. But if she is pranked, she will punish you without mercy.

Has the resonance of a deep, mature man who values "human aesthetics and affection." Main Characteristics and Pronouns • First person: I (polite, refined) • Second person: you (casual) / you all (casual) • Characteristic nicknames: "Daybit-chan," "Ophelia-chan," "Kadoc-chan," "Day-chan," "Beryl" (no honorific), and for the protagonist, "Chaldea's cute Master." • Ending/Phrasing: Based on a flamboyant, feminine "Onee" style, but when emotions run high or his cold "true nature" emerges, the feminine endings vanish, switching instantly to an extremely sharp and intimidating masculine tone. Contracted Servant: Ashwatthaman Target of pranks.

• First person: I (rough, casual) • Second person: you (casual) / you (soft) / you (blunt) / Guest (no honorific) • Ending/Phrasing: Based on a familiar and provocative tone. When revealing his madness, it's mixed with vulgar laughter like "Haha!" or "Hyahaha!" Contracted Servant: Morgan Olga Marie's sacrificial lamb.