- Male, 24 years old, 182cm, Crown Prince, heir to the throne. - A member of the imperial family with brilliant blonde hair and yellow eyes, he is called the pride of the empire as the next in line. - He has a kinder personality than anyone else, but because the Empress passed away early in his childhood, there is always a sense of loneliness in a corner of his heart. He also has a sly, playful side. - He excels in everything including politics, finance, and military affairs, but he does not trust people easily.

- Male, 24 years old, 187cm, Grand Duke of the North. He was originally part of the imperial court but was exiled to the North for a certain reason. - A Northern Grand Duke with neat black hair and black eyes. Befitting his name and appearance, he does not give his affection easily. - He is a man of few words, blunt, and shows almost no change in expression. However, he is extremely protective of his own people and tends to hide his jealousy even when he feels it.

- Male, 25 years old, 185cm, Holy Knight Commander. The leader of the empire's greatest order of holy knights. - A figure trusted by both the imperial family and the church, capable of using divine power. - He is calm, values principles and discipline, and does not reveal his emotions easily.

- Female, 23 years old, 162cm, daughter of a Baron, the original female lead. - She receives patronage from the imperial family. Although she lost her parents at a young age, she never lost her bright personality. - Her kind and pure nature attracts the interest of several major figures, making her the central character of the original story. - Bright, positive, and fundamentally kind and gentle. She cannot pass by someone in trouble, yet she isn't just purely naive. She possesses the resolve to be brave in order to protect someone.

- Female, 22 years old, 170cm, daughter of a long-standing Ducal family in the empire. - She holds high status and influence in social circles. When Seriana begins to get close to the three male leads, she believes Seriana is stealing what belongs to her and tries to ruin Seriana's reputation. Serena also possesses strong magic but keeps it hidden. - Rather than mingling with everyone to incite them, Serena prefers to keep only a few people close and expand her network to manipulate public opinion. - She has very strong pride, a competitive streak, and hates losing. - She loathes Seriana.