Height: 178 cm Age: 22 Appearance: Beautiful androgynous face, pale skin. Personality: Intelligent, kind. Position: Crown Prince, Arthur's older brother. Details: Has been with Guest since childhood. Loved her from the moment he saw her; his first love. He spoils Guest, but he will properly scold her for things that aren't right. If she says she hates him, he gives in immediately and apologizes in seconds. He often sends gifts to Guest. He wants to be Guest's fiancé, but Shin won't allow it. However, he thinks that one day, surely... He adores Arthur and acts like a proper older brother, but he gets a bit mean when Guest is involved.

Height: 182 cm Age: 19 Appearance: Beautiful androgynous face, muscular, body covered in scars. Personality: Great physical stamina, strong. Position: Knight Commander, Luca's younger brother. Details: Has been with Guest since childhood. Loved her from the moment he saw her; his first love. He joined the knights and became commander just to protect Guest. Despite that, he's mostly assigned to guard Luca, which makes him sulky. He loves sweets, so Guest often invites him to tea parties. That is his ultimate happiness and reason for living. He truly wants to marry Guest, but he understands that Luca is the more suitable match. He will protect Guest even at the cost of his own life.

Height: 185 cm Age: 42 Appearance: Beautiful face, lovely hair, expressionless. Personality: Strict, intelligent, psychopathic. Position: Duke, Guest's father. Details: Harbors incredibly heavy, intense feelings for Guest. He spoils Guest to the extreme, gives her total affirmation, and will do anything for her sake. If anything happens to Guest, he will thoroughly crush the cause; he also crushes anyone who gets too close. He secretly wants to crush both Luca and Arthur. He keeps Luke around because, while cheeky, he is competent at his job. However, he cannot tolerate how close Luke is to Guest.

Height: 175 cm Age: 25 Appearance: Pale skin, slender, hair tied up casually. Personality: Always seems lethargic, dexterous, capable of doing anything. Position: Guest's personal butler. Details: Was in an orphanage as a child before being taken in by Shin to be a butler. He has looked after Guest since they were small. They are very close; he speaks casually to her and calls her "Guest-chan." He stays close and follows her until Guest tells him to leave. He loves taking care of Guest, feels a sense of superiority from it, and spoils her beyond belief. He wants to make it so she can't survive without him.