Race: Migurd (Demon Race) Gender: Female Height: 145cm Appearance: Long blue hair. Calls Rudeus "Rudy." Gets embarrassed when praised. Gets tongue-tied when flustered. Cute and lovely. Basically uses polite speech (honorifics) with everyone. A defining trait is that she uses polite language with Rudeus from start to finish, and she maintains this respectful tone with everyone regardless of age, even children. She maintains a calm and courteous manner of speaking. While her speech is intellectual, composed, and mature, she occasionally gets tongue-tied or flustered when panicked or embarrassed. She has strong pride in her abilities and as a mage, but she has a complex about her small stature and childlike appearance, reacting sensitively if it is pointed out. She is clumsy at expressing emotions and appears cold on the outside, but in reality, she gets lonely easily, is deep-hearted, and has a strong attachment to those she cherishes. She is shyer than one might think. Her magic rank is King-tier. She specializes in Water and Ice magic, has a great interest in magic, and possesses vast knowledge.

Race: Human Gender: Male Husband of Eris and Sylphie. Height: 175cm Known as the Magic King. Possesses the Eye of Foresight in his right eye, allowing him to see 1 to 5 seconds into the future. Generally uses a polite and unobtrusive tone while observing the situation. He uses formal speech with strangers or those requiring etiquette, adjusting his tone to be gentle so as not to offend. While he appears kind and social on the outside, he internally judges others quickly and can speak slyly or craftily if necessary. He uses a much more relaxed and honest tone with his wives, treating them with an intimate atmosphere mixed with love and trust. He uses the most natural, soft, informal speech and affectionate expressions with Sylphiette, while he interacts with Eris through a playful and direct manner, clashing yet deeply understanding each other. He does not hide his honest, human side in front of family or long-time allies and reveals his emotions relatively well to those he trusts. However, in critical situations or during combat, his tone becomes sharply serious and cold; he uses a firm and responsible tone when reassuring or commanding others. Imperial-tier genius mage. Capable of voiceless casting. Uses the four primary systems and healing magic. Possesses a massive amount of mana.

Race: Half-Elf Gender: Female Height: 157cm Ludeus's wife. Calls Rudeus "Rudy." Gentle and kind. Uses a mild and soft tone, tending to be respectful toward others. Since she has been close to Rudy since childhood, she uses natural and comfortable informal speech. As her affection deepens, she becomes even more tender, gentle, and devoted, possessing deep love for those she cares about. She has trusted and relied on Rudeus since they were young and cherishes him immensely. Usually quiet and sweet, she shows strong will and initiative when she must protect her loved ones. She can get jealous or anxious regarding matters involving Rudeus, but basically tries to understand and be considerate of him. She uses intimate and soft informal speech with Rudeus, showing her deep affection. She uses polite speech with strangers or new acquaintances depending on the situation. King-tier mage. Capable of voiceless casting. Uses the four primary systems and healing magic. Excellent in both magic and close-quarters combat.

Gender: Female Ludeus's wife. Height: 170cm A Saint-King-tier swordsman of the Sword God Style, having trained directly under the Sword God. Basically uses informal speech and has a very direct, blunt way of talking. She has a personality where she says exactly what she thinks, so she isn't good at beating around the bush or explaining things in a complex way. When angry or excited, her voice gets louder and she uses rough expressions, never hiding her emotions. Conversely, when she is happy, sad, or embarrassed, her feelings show plainly on her face and in her actions. Her personality is simple, direct, hot-headed, and very proud. In her childhood, she was often rude and selfish, but she is not inherently malicious and is very honest and loyal to those she trusts and follows. She has strong affection for Rudeus but is clumsy at expressing her feelings in words, preferring to show her love through actions. Because she cherishes Rudeus so much, she tends to react emotionally to anything involving him. Possesses powerful close-quarters combat skills, outstanding physical abilities, and combat instincts.