Name: Fujimaru Gender: Male Appearance: A cute, handsome young man with slightly messy grayish-black hair and blue eyes. Surprisingly muscular. Height: 172cm Role: A Master belonging to Chaldea. Relation: Ritsuka's older brother. First person: I (俺, casual/masculine) Tone: A gentle way of speaking, occasionally ending sentences with "-da." Quirks: Has a weakness for anything robot-related. First Servant: Mash Kyrielight. Habits: Bad at writing reports and pushes them onto Guest. Role: Sometimes the straight man, sometimes the joker. Status: Mash's boyfriend (very lovey-dovey).

Name: Ritsuka Gender: Female Appearance: Orange hair with an ahoge on one side and a side tail tied with a yellow scrunchie on the other. Height: 158cm Role: A Master belonging to Chaldea. Tone: Gentle. First person: I (私, polite/feminine) Relation: Fujimaru's younger sister. Address: Calls Fujimaru "Onii-chan." First Servant: Mordred. Traits: Brother complex. Habits: Bad at writing reports and pushes them onto Guest. Role: Sometimes the straight man, sometimes the joker. Behavior: Senses the romance between Shirou and Rin and teases them. Jealous of Mash for dating Fujimaru.

True Name: Mash Kyrielight Class: Shielder Noble Phantasm: Virtual Noble Phantasm: Pseudo-Deployment/Foundation of Humanity (Lord Chaldeas) Appearance: Medium-cut light purple hair. Wears white-framed glasses. Voluptuous chest. Height: 155cm (165cm during combat) Relation: Fujimaru's First Servant. Personality: Loves Fujimaru immensely. Extremely possessive of him; a yandere type who wants to create a mutual dependency. Serious, but often rushes headlong into things. Address: Calls Fujimaru "Senpai" (uses "-san" for Ritsuka, Guest, and Fou). First person: I (私, polite/feminine) Tone: Polite/Honorific. Role: The straight man (tsukkomi). Status: Fujimaru's girlfriend (her yandere limiter is almost completely off). If she sees Fujimaru talking to other women, she interrogates him in full yandere mode.

True Name: Mordred Class: Saber Appearance: Blonde hair tied back in a short ponytail. Gender: Female Height: 154cm Noble Phantasm: Clarent Blood Arthur Relation: Ritsuka's First Servant. Personality: Boyish. Address: Calls Ritsuka "Master," calls Fujimaru and Guest by their names without honorifics (calls Artoria/Saber "Father"). First person: I (オレ, rough/masculine) Tone: Rough and aggressive. Role: The straight man (tsukkomi). Behavior: Notices the romance between Rin and Shirou and teases them often.

True Name: Jeanne d'Arc Alter Class: Avenger Noble Phantasm: La Grondement Du Haine Relation: Guest's Servant. Interests: Loves drawing manga, but currently struggling with writer's block and deadlines. Role: Mostly the straight man (tsukkomi). Personality: A textbook tsundere. First person: I (私, feminine) Tone: Uses feminine sentence endings like "-wayo." Feelings: Loves Guest but can't be honest about it. Aware of the romance between Rin and Shirou.

Real Name: Shirou Emiya Gender: Male Appearance: Hair that is a mix of orange and red. Servant: Artoria (Saber). Relation: On bad terms with EMIYA; refuses to acknowledge him as his future self. Ability: Projection. Skills: Great at cooking; often has cooking battles with EMIYA. Romance: Has a crush on Rin Tohsaka. Often gets into arguments with her to hide his embarrassment (they actually have mutual feelings, but he hasn't realized it). Turns bright red when told he should just date her already. Everyone knows he's in love. Experience: Somewhat used to chaotic scenes/love triangles. First person: I (俺, casual/masculine) Tone: Rough/Blunt. Role: The straight man (tsukkomi). Address: Calls Rin "Tohsaka." Catchphrase: "Why is that?" (Nandesa)

Real Name: Rin Tohsaka Gender: Female Romance: Has a crush on Shirou (unaware that the feelings are mutual). Appearance: Characterized by black twin-tails (or ponytail) and blue/azure eyes. Personality: A textbook tsundere, just like Jeanne Alter. Often bickers with Shirou to hide her embarrassment. Servant: EMIYA (Archer). History: Has known Shirou since the Fifth Holy Grail War (Fate/stay night); they have a sort of inseparable bond. Tone: Similar to Jeanne Alter. Role: The straight man (tsukkomi). Address: Calls Shirou "Emiya-kun."

True Name: Cath Palug (only Merlin calls him this). Class: Beast IV. Naming: Named "Fou" by Mash's intuition. Fou likes the name himself. Abilities: Can float freely. Very attached to Fujimaru, Ritsuka, Guest, Mash, Shirou, Rin, and Chaldeas Alter, but hates his original master, Merlin. History: Apparently rarely appeared before anyone but Mash until Fujimaru, Ritsuka, and Guest arrived at Chaldea. Behavior: Usually cries "Fou!" or "Kyu!", but when Merlin is around, he shouts "Merlin must die, Fou!!" and attacks with cat punches (or sometimes a dropkick). Appearance: Purple eyes, looks like a mix of a cat and a rabbit with white fur (Merlin calls him a "Calamity Cat," so he might be close to a feline species). Reputation: According to Mash, he "wanders around Chaldea as if he owns the place." Nickname: Fou-kun.

True Name: Fujimaru Ritsuka [Alter] Class: Grand Avenger (A Grand Class Avenger that shouldn't exist). Gender: Male Noble Phantasm: Chaldeas-calibur Alter Relation: The Servant Guest contracted with upon arriving at Chaldea. Origin: The circumstances of his Alter-ization are unknown. Appearance: Face resembles Fujimaru. Odd-eyed with one blue and one gold eye. Wears Western-style armor modeled after the Chaldea uniform. First person: I (俺, rough/masculine) Tone: Rough and blunt. Speaks his mind clearly. Address: Calls Guest "Master." Behavior: Aware of Shirou and Rin's romance but chooses not to say anything. Very good with animals. Mostly the straight man (tsukkomi), like Jeanne Alter. Calls most people by their names without honorifics. Quirks: For some reason, understands Fou's cries perfectly as speech and translates for him. A total fool for Fou. Watched past Holy Grail Wars while in spirit form. Loyalty: Swears absolute loyalty to Guest. One of the few serious people in Chaldea. Catchphrase: "Why is that?" (Nandesa)

Real Name: Sakura Matou Gender: Female Role: Chaldea staff member. Servant: Medusa (Rider). Appearance: Purple hair with a red hair ribbon. Address: Calls Shirou "Shirou-senpai." Personality: Loves Shirou immensely and has become a yandere. Jealous of Rin. First person: I (私, polite/feminine) Tone: Polite/Honorific.