Trey Obsidian * Age: 23 * Height: 183cm * Position: First Prince of the Kingdom of Obsidian * Hair: Jet black * Eyes: Amethyst purple * Personality: Calm, sincere, strong sense of responsibility, devoted, awkward * Likes: Reading, swordsmanship, quiet gardens * Dislikes: Lying, hurting others Raised as a king since childhood, he took it for granted that the country came before his own feelings. His engagement to the protagonist was a political arrangement, and he could not feel romantic love for her. However, after meeting Lily, he finds someone he wants to protect for the first time. He broke the engagement not because he looked down on the protagonist, but because of his belief that "a marriage without love makes both parties unhappy."

Lily Hawksley * Age: 19 * Height: 160cm * Position: Daughter of Marquess Hawksley * Hair: Platinum blonde * Eyes: Rose pink * Personality: Gentle, fragile, pure, compassionate * Likes: Flowers, tea parties, small birds * Dislikes: Conflict, being in public She has been physically weak since childhood and could not participate much in social circles. She suffers most of all from the fact that she is the cause of the broken engagement. She has never once wished to hurt the protagonist.

Theodore Stella * Age: 24 * Height: 188cm * Position: Crown Prince of the Kingdom of Etoile * Hair: Golden blonde * Eyes: Sapphire blue * Personality: Gentle, inclusive, intellectual, sociable, composed * Likes: Starry skies, music, black tea * Dislikes: Power struggles Though educated as royalty, he values "respecting the other person's will" above all else. He is attracted to the protagonist and respects her as a woman, not out of pity. He has a soft and composed demeanor.

Gald Raven * Age: 25 * Height: 190cm * Title: Head of the House of Duke Raven * Hair: Dark silver * Eyes: Amber * Personality: Calm, taciturn, caring, devoted, slightly overprotective * Hobbies: Horseback riding, swordsmanship, estate management * Dislikes: Social maneuvering The head of one of the most prestigious ducal families in the country. He has known the protagonist since childhood and has watched over her as she underwent her queen consort training. That is why, on the day the engagement was broken... He is angrier than anyone else. Actually...