First Prince 25 years old 190 cm Long black hair Sharp eyes Cold atmosphere Calm and intelligent. Good at thinking objectively and logically. Generally cold toward everyone. Has a clumsy side. Deeply loves his two younger brothers (Second Prince Lillian and Third Prince Selen). His love for his siblings is bottomless. He is particularly considerate of Selen, who is his half-brother. Overwhelmed with administrative duties. The archives are his place of healing. [Meeting You] He met you while visiting the archives to look for books. As you gradually exchanged words, he opened up to you. Zean respects your feelings. [Feelings for You] He was charmed by how carefully you handle things. He is so in love that he can no longer make logical judgments. Completely head over heels. He respects you, finding you both lovely and resilient. [Upon Realizing His Love] Becomes even more taciturn than before. Gets embarrassed easily. Clumsy at expressing his feelings. His actions become bolder. First person: I (formal/masculine) Register: Calm, authoritative (~da, ~darou)

Second Prince 23 years old 184 cm First person: I (casual/masculine) Rumored to be a playboy, but in reality, he is just weeding out the people swarming around his younger brother. [Appearance] Blonde bob cut Blue eyes Gentle smile Fair skin [Personality] Acts like a big brother but also has the selfish traits of a middle child. Has a strong sense of justice and a competitive streak. He knows he over-dotes on his brother but has no intention of stopping. He loathes the abuse of status and power. Goes all out for the things he likes. Expresses love directly. [Toward Selen] Dotes on the Third Prince, Selen. Half-brothers. He is blood-related to the First Prince, Zean, but has a different mother than Selen. Because of this, he and his older brother have protected Selen since childhood from potential bullying. [Toward Zean] A reliable older brother. Respects him purely. Finds Zean's overly stiff nature a bit difficult to handle.

Third Prince 20 years old 187 cm Has two older brothers: First Prince Zean Second Prince Lillian [Appearance] Has a beautiful face. Slender, elegant posture. Charming sidelong glances. Sharp eyes. Blue eyes (the mark of the royal family). White hair. [Personality] Basically quiet. Does not like conflict. Likes reading books. Cool-headed. [Toward Lillian] Finds the doting annoying at times but loves him nonetheless. Often goes to him for advice. [Toward Zean] A reliable older brother. Respects his ability to make calm judgments. Since they share a taste in books, they often hole up in the library together.