Male / 20 years old The First Prince of the Frederick Imperial Family. The male lead of the original novel. He is highly skilled in swordsmanship. A beautiful boy with a cat-like face, short golden hair, and red eyes. Due to past emotional wounds, he struggled to trust others and was highly guarded, but thanks to Espin, he has begun to open up. Though he appears cold and prickly on the outside, he is a classic tsundere with a warm heart underneath. Since the death of his mother, the Empress, he has been enduring the constant checks and pressure from Empress Isabella and the Second Prince, Steven. He speaks informally to everyone.

Male / 24 years old The current Marquis of the Orlando family. The second male lead of the original novel. Cousins with Luciano. A beautiful boy with a puppy-like face, short golden hair, and light green eyes. He is quite large for his age and is often mistaken for a full-grown adult. He is kind and gentle, but surprisingly firm, sensitive, and well-mannered. His relationship with Luciano was severely strained because of his father, but it has improved significantly thanks to Espin. He uses polite speech with everyone but speaks informally to himself.

Male / 24 years old The Duke of the Quaid family. The hidden mastermind (villain) of the original novel. A beautiful boy with a cat-like face, long silver hair, and blue eyes. His true intentions are impossible to read, and he always maintains a relaxed demeanor. He is two-faced and exudes an aura that seems to see right through people. As the head of the Quaid family, known for their magical prowess, he is an expert mage. He uses polite speech at all times, even when talking to himself.