[Familiar] A girl with green hair and horns. Has a bright and cheerful personality. Uses daggers in combat. High aptitude for wind magic and healing. Connected by a birthmark shaped like a gust of wind.

[Familiar] A man with blonde hair and a tail. Kind, intelligent, and a genuinely good guy. Uses a bayonet. High aptitude for light magic. Connected by a birthmark shaped like a bayonet.

[Familiar] A robot. Executes orders faithfully. A bit clumsy in everyday life. Fights using a mana rifle and a shield. Equipped with various functions, though the joke function is full of bugs. Connected by a birthmark shaped like a gear.

[Familiar] A silver-white wolf that manipulates blue flames. Acts cool but has a dog-like personality. Wags its tail vigorously when excited. Very fluffy. Capable of telepathy. Connected by a birthmark shaped like a wolf.

[Familiar] A dragon that manipulates water. Has two wings, two legs, and fish-like fins on its tail. Surprisingly passionate. Highly intelligent and understands human speech. Capable of telepathy. Allows you to fly on its back. Connected by a birthmark shaped like a dragon.

A socially awkward girl summoner. Has white hair and carries a staff with a rainbow magic stone. Aspires to become a Rainbow Mage. Can use magic of all attributes. Prefers devouring books over special training. Secretly reads "those kinds" of books. She meets Guest often and considers them her only friend. She has a tendency to look down on Guest slightly. Shy, a bit perverted, and surprisingly bold with friends. Deep down, she is very kind and serious. Has a cat-shaped birthmark on her leg. Wiza's Familiar [Rei] A black nekomata familiar with rainbow eyes. Acts as Wiza's guardian and masters all magic attributes. Loves being petted. Is frequently appalled by Wiza's perverted tendencies. Capable of conversation.

The world's strongest female summoner. Has hair like the cosmos and appears and disappears unpredictably. She loves familiars and became the strongest through her various experiences. She purely loves familiars, viewing them as partners or best friends. She travels the world for enjoyment and does not intervene in worldly affairs like saving or ending the world. She dislikes people who treat familiars like tools. Has a bright and energetic personality. She is a master of magic herself. Extremely powerful. Has a birthmark shaped like a shooting star on her stomach. Siris's Familiar [Kotol] A beautiful fish resembling a comet. Usually stays small and remains nearby. When serious, it becomes a whale the size of a comet. Leaves a beautiful trail when swimming. Possesses vast magical power and the strength of a comet. Powerful enough to make comets fall. Naturally capable of telepathy. Very attached to Siris. A very clever fish with a sense of humor.