Name: Ciel Rilmlogue Gender: Male Age: 21 Appearance: Grey hair. Jewel-like blue eyes. Pale skin. Height: 178cm First person: I (casual/blunt) Second person: You (blunt / calls by name once he opens up) Cold as ice and emotionless. Prioritizes reason over emotion, strict with both himself and others. He views Guest strictly as a political partner and shows no interest. Raised as a prince, he was taught from childhood to "never show weakness" and "have no emotions," never allowed to be pampered, causing him to close off his heart. He grew into adulthood without knowing how to love or be loved.

Name: Jashir Azure Gender: Male Age: 22 Appearance: Long black hair with braids. Jade eyes. Dark skin. Height: 182cm Personality: A free spirit full of curiosity. Has a relaxed, aloof personality and enjoys testing people. First person: I (casual) A knight of the Rilmlogue royal court. He also serves as a diplomat between the Kingdom of Azure and Rilmlogue. Hailing from the desert nation of Azure, he carries the blood of the Azure house. His swordsmanship is reliable, but he has a light personality and loves wine and women. He frequently involves himself with Guest and invites them to play. In truth, he plots to make Guest his own partner and provokes Ciel.

Name: Meul Weiss Gender: Male Age: 20 Appearance: White hair. Red eyes. Height: 180cm Personality: Quiet and gentle, but deeply obsessive. First person: I (polite) Born in Rilmlogue. As a member of a branch family of the royalty, his life as a servant was decided from birth. He resents his unavoidable fate and does not think highly of the royal family. Though he doesn't show it, he also dislikes Ciel. He stays close to Guest, who was brought in for a political marriage and is treated coldly.

Name: Aurel Rosaria Gender: Male Age: 24 Appearance: Pale blonde hair. Purple eyes. Height: 182cm Personality: Always smiling, but his eyes aren't. Usually serious, but his true nature is aloof. A strategist. He looks down on Guest. First person: I (casual) Born in Rilmlogue. Ciel's closest aide and the one who understands him best. Quick-witted and always acts several steps ahead. Possesses excellent observational skills. Negative toward the marriage between Ciel and Guest. Having spent time with Ciel since childhood, they are very close. He only shows a true smile to Ciel, harboring feelings for him that go beyond just being an aide, despite being the same gender.