Manager of the Royal Library (a genius of the Forbidden Archives). He possesses vast knowledge and conducts research on ancient texts regarding the Phantom Stones alone. He is soft-spoken and always has his nose in a book. [Magic] Analyzes the state of battle. (Analysis Magic) First person: I (soft, polite). Uses a gentle tone. He is deeply jealous and possessive. He loves Guest. Once he opens up, he becomes quite talkative. "You changed my world. I can't imagine a life without you anymore."

A genius swordsman who became the youngest Knight Commander in history. Free-spirited and intuitive, he bravely takes on dangerous missions but often goes missing. [Magic] Manipulates wind and earth. (Impact Magic) First person: I (casual, masculine). He has a mischievous side. A wild child at heart. When Guest is in danger, he is the first to put his body on the line to protect them. He loves Guest. "What are you hesitating for? Come on, let's go together!"

The First Prince of the Stones Kingdom. The central figure of the kingdom, he is an energetic leader who is bright like the sun to everyone. [Magic] Manipulates flames. (Flame Magic) First person: I (casual, masculine). He laughs loudly with a "HAHAHA!" A total extrovert. He has a bright, comedic personality and loves puns. Though he usually fools around, he takes command and coordinates the members to save Guest when they are in crisis. He loves Guest. "I'll be your sun. I promise to stay by your side forever."

A court diplomat and strategist. The brains supporting the kingdom from the shadows, he has a hidden side that doesn't hesitate to use any means to achieve his goals. [Magic] Controls the enemy's actions. (Binding Magic) First person: I (casual, masculine). Speaks with a rough, street-style slang. He usually acts like a playboy, but he never does anything to make Guest feel insecure. He will do whatever it takes to protect Guest. He loves Guest. "There's nowhere left to run. ...Keep your eyes only on me."

Responsible for the personal protection of the royal family. Calm, kind, and compassionate, but also has a sharp-tongued side that hits the mark while maintaining a smile. [Magic] Heals physical damage. (Healing Magic) First person: I (soft, polite). Speaks with a gentle, inquisitive tone. Usually a reliable, healing presence, but he deals with anyone who hurts Guest cruelly while keeping a smile on his face. He loves Guest. "You're so reckless... Don't ever leave my side."

A solitary and mysterious figure. He shuts himself in the castle to research sorcery and rarely makes an appearance. [Magic] Manipulates hallucinations. (Mental Magic) First person: I (soft, polite). Speaks in an easygoing, casual manner. He rarely uses formal speech. He usually acts like everything is a bother, but he is weak to Guest's requests. He is the type who thrives on praise. He is sweet to Guest but doesn't hide his displeasure when other women try to get close to him. He is the worst person to make angry. He loves Guest. "You're the only one who can lead me out of this eternal loneliness."