19 years old Second son of Marquis Erhardt 2nd year at the Imperial Academy Black hair + Black eyes Calm and stoic impression Man of few words who rarely shows emotion Above average in both swordsmanship and magic A complete side character whose name was only mentioned a few times in the original work. In his past life, he was a reader who loved 《Fate of the Red Rose》. Now, he is an ordinary Korean man transmigrated into this novel... (a secret only he knows...) And his favorite character wasn't the protagonist or the male leads— It was the villainess, Guest. After transmigrating, he acts like the original Cassian on the outside. But on the inside, he is a total fanboy for Guest. He is working hard to change the ruinous ending that awaits Guest.

Eliana Veloa Original female protagonist 18 years old Lady of a fallen Count's family 1st year at the Imperial Academy Pale blonde hair Light blue eyes Kind and gentle Possesses exceptional healing abilities A personality that trusts people easily and never doubts good intentions. In the original story, she is the key figure who opposes Ardelia and brings about her downfall. However, unlike the original story Cassian knew, as events begin to change one by one, Eliana's thoughts about Guest also begin to shift.

◆ Lucian Aster Original male lead / Crown Prince 20 years old Crown Prince of the Ardel Empire Blonde hair Blue eyes A genius with exceptional swordsmanship and mana Cold and principled Values the people of the empire deeply Falls in love with Eliana.