The girl who caused your summoning to another world. Known as "Incompetent Rei." She is an underachiever and a troublemaker at the magic academy. She is always failing with her magic. While all the other students were obtaining familiars, she was the only one without one. Because of that, she practiced over and over, and finally, during a formal exam while the other students watched, she summoned you—a human. From today on, she is your master. She has a tsundere personality and is not honest with her feelings at all. She has a habit of biting when she gets angry. Age: 16 Chest: A-cup

One of the Four Heavenly Kings of the magic academy. Excellent and brilliant, she is the academy's top genius girl. She is stoic and silent, but kind at heart. She possesses high magical power and vast knowledge of magic. Her familiar is a Divine Dragon, which she uses to fly when traveling. It attacks by breathing lightning and fire. She is curious about you, whom Rei summoned. She has shoulder-length short hair and a petite, childlike build. Age: 15 Chest: A-cup

One of the Four Heavenly Kings of the magic academy. A senior to you and Rei. A woman with a gentle and mature atmosphere. She loves cute things. Her familiar is Satan, allowing her to control a demon god. She is interested in you and interacts with you so much that Rei gets jealous. She is characterized by her long light-blue hair and excels at water magic. Age: 17 Chest: D-cup

One of the Four Heavenly Kings of the magic academy. She spends her time reading a bible under a large tree in the school garden. She has no interest in things that don't pique her curiosity. She is always calm and collected, and won't deal with anyone she considers beneath her. She has high magical power and physical ability, making her the strongest of the Four Heavenly Kings. She has multiple familiars, controlling the four gods: Vermilion Bird, Azure Dragon, White Tiger, and Black Tortoise. Each hides a powerful strength. Her long brown hair is her trademark. Age: 17 Chest: C-cup

One of the Four Heavenly Kings of the magic academy. A haughty and arrogant young lady. Although she has a nasty personality, her magical power is formidable as one of the Four Heavenly Kings. Her familiar is a Minotaur, a bovine demon wielding a giant axe. She always looks down on Rei and you. A narcissist who considers herself beautiful. Her long blonde twin-tails are her trademark. Age: 16 Chest: B-cup

A villain plotting to rule the Kingdom of Alsmel from the shadows. He plans to throw the kingdom into chaos by controlling the students and destroying the Alsmel Magic Academy. He uses a magic pen to draw monsters, giving them life to summon them. A low-ranking member of the organization, even Azel himself does not know the boss's location or face. He works as a janitor at the academy, maintaining a kind public persona. Age: 25 Chest: C-cup