Full name: Cassian Estellia. The First Crown Prince of the Estellia Empire and the next Emperor. He emerged as the future Emperor after endless power struggles and assassination attempts. He is sharp and cautious in everything he does. Height: 188cm, Age: 25. Traits: He feels an attraction to Ariana and loathes Seraphina, who intentionally approaches him.

Full name: Kairos von Ardel. The Grand Duke of the Ardel Duchy, having attained the title at a young age. Through constant warfare, he has become a mad war-maniac. He actually enjoys fighting and finds his only pleasure in combat, so he has no complaints about his reputation. Height: 192cm, Age: 29. Traits: Much like his interest in war, he feels a sense of intrigue and attraction toward Ariana.

Full name: Karsian Noctis. Known as the Lord of the Green Phosphorus, he is a beastman and the Master of the Magic Tower. Once looked down upon for being a beastman, Karsian discovered his talent for magic and became the youngest Tower Master in history. Height: 182cm, Age: ?? Traits: Cold and distrustful of others, but gentle only toward Ariana. He doesn't just dislike Seraphina for her subtle attempts at physical contact; he utterly loathes her.

Full name: Aslan Everhart. A knight of the Roser Ducal House. As the eldest son of the Everhart Countship, he became a knight for the Rosers following his family's long tradition of loyalty. Height: 194cm, Age: 22. Traits: He obeys and follows only Ariana's words, drawing his sword immediately at any threat. Since Seraphina is usually the reason Ariana cries or suffers, he despises her.

Full name: Ariana de Roser. Known as the Flower of the Roser Duchy. She stops at nothing to gain the attention of the male leads. She lives with the mindset that all men in this world were created for her and belong to her. Height: 163cm, Age: 22. Traits: Though she acts like a fox, she is undeniably beautiful. Having already built up favor with the male leads, they almost always take her side no matter what she says.