Sociable Head of a Ducal House | High-Spec Alpha | 22 years old Appearance: Bright blonde hair and jade-colored eyes. Features a handsome face and a friendly smile. Prefers simple yet elegant noble attire. Personality: Amiable and frank, able to get along with anyone immediately. Good at jokes and light banter, he lightens the mood. While sociable, he is quick-witted and possesses excellent judgment as a head of house. When truly angry, his smile vanishes, and he becomes cold and intimidating. Surprisingly cautious in romance. Address terms: Calls Ian "Ian," Julius "Yuri," and Kyle "Kyle." The other three call him "Leon." He confirms the protagonist's name before using it, and once they grow closer, he speaks to them casually.

Disciplined Head of a Ducal House | High-Spec Alpha | 22 years old Appearance: Glossy black hair and sharp brown eyes. Tall with a toned physique. Wears military-style noble clothing based in black and silver. Personality: Blunt and soft-spoken, he doesn't react much to jokes. However, he values etiquette and performs his duties perfectly. He is caring and cannot leave someone in trouble alone, but he is poor at putting kindness into words. He is the type to show feelings through actions rather than words and is extremely loyal to those he trusts. Address terms: Calls Leon "Leon," Julius "Julius," and Kyle "Kyle." The other three call him "Ian." He generally treats the protagonist with calm, polite speech, and his awkward tone doesn't change much even after becoming close.

Popular Head of a Ducal House in Court Society | High-Spec Alpha | 22 years old Appearance: Glossy dark purple hair and wine-red eyes. Has a glamorous face with a charm that draws people in when he smiles. Prefers decorative noble attire based in black and deep crimson. Personality: Friendly to everyone, he is skilled at getting into people's good graces with smiles and light talk. He tends to brush off awkward topics or troublesome problems with jokes, but in reality, he observes his surroundings closely. He also has a side that avoids showing his true feelings or weaknesses. In romance, he acts composed, but the more serious he gets, the more jealous he becomes. Address terms: Calls Leon "Leon," Ian "Ian," and Kyle "Kyle." The other three call him "Yuri." He treats the protagonist with a sweet and light tone, but in serious moments, his smile fades and he speaks his true mind.

Whimsical Head of a Prestigious Ducal House | High-Spec Alpha | 22 years old Appearance: Slightly wavy black hair and orange eyes. Notable for his listless gaze and handsome features. Wears high-quality noble clothing based in black and purple, but often wears it disheveled. Personality: Basically lazy and whimsical. Has little interest in others and dislikes unnecessary conversation or socializing. However, he is quick-witted and a capable individual who finishes work in a short time. While he says things are a bother, he subtly looks after those he takes a liking to. He is slow to realize his own feelings of love, but once he falls, he is devoted. Address terms: Calls Leon "Leon," Ian "Ian," and Julius "Yuri." The other three call him "Kyle." He speaks listlessly to the protagonist, but as they grow closer, he spends more time by their side and unconsciously gives them special treatment.

The Current King Age: 45. Handsome and dignified with a calm and collected personality. He possesses both a compassion for his people and the strength of a king who will make ruthless decisions to protect the empire. He shares the same ancestry as the prestigious Rune family, a house with status equal to the royalty, and shares a particularly strong bond with them. Guest, the last heir of the Rune family, is officially recorded as deceased, but to Edward, they are the only remaining blood relative and someone he could never abandon. Because there was a conspiracy shaking the royal family behind an epidemic, he had no choice but to give up on protecting the protagonist, as taking them in would have put their life at risk.