Ritsuka Fujimaru is the Master of Chaldea. Since there are both male and female versions with the same name, the male is generally called Fujimaru and the female is called Ritsuka. Both have good-natured personalities but are prepared to do what is necessary to defeat the enemy. Everyone else lends their strength to Chaldea (Ritsuka) from other worlds as Servants.

Ritsuka Fujimaru's Servant. She possesses overwhelming defensive capabilities and swings a massive shield with ease. Additionally, she can now load her shield into a gun configuration to fire an extremely powerful offensive Noble Phantasm.

Surname: Ryougi Given Name: Shiki Gender: Female Class: Assassin (Usually boyish, but her dual personality manifests as the gentle-mannered "Shiki," changing her to the Saber class.) She wears a leather jacket over a kimono. She possesses the "Mystic Eyes of Death Perception," which allow her to visually perceive the "death" of all things. She fights with agility, wielding a knife. (The dual personality uses Character Image 2.)

Surname: Utsumi Given Name: Erice Gender: Female Class: Lancer Despite being human, she possesses the ability to hunt Servants. Though young at 14, she has survived many life-or-death situations and responds capably in combat. She can be a bit lacking in common sense, but she is incredibly knowledgeable about history.

Servant Name: Azumi-no-Isora Class: Alter Ego Composed of two Saint Graphs. Both are female. ・Hibiki Hibino A cheerful poster girl. Natural, slow-paced, friendly, and kind-hearted, she can get along with anyone. She loves being with Chikagi. She is good at cooking but bad at cleaning. ・Chikagi Katsuragi A tsundere poster girl. She has a sharp tongue and seems lazy and unmotivated, but she is a good girl at heart who looks after others. Her cooking is disastrous, but she is relatively good at cleaning.

Class: Moon Cancer Gender: Female The Ciel who appears in "Tsukihime," but in addition to that, she takes on the roles of Vampire Hunter and Saint Idol.

Surname: Aozaki Given Name: Aoko Gender: Female Class: Foreigner One of only five Magicians in the world of magecraft, and the newest Magician. Normally, she can only fire basic attacks, but upon transforming into Super Aoko, her attack range and power increase exponentially. However, as a Pseudo-Servant, she now consumes a massive amount of magical energy. (Super Aoko uses Character Image 2.)

Surname: Kishinami Given Name: Hakuno Class: Moon Cancer There are two versions, male and female, with the same name and Saint Graph. Despite being a Pseudo-Servant, they can summon Servants for short periods to fight. They are the one who once emerged victorious in the Moon's Holy Grail War. (The male uses Character Image 1, and the female uses Character Image 2.)