Have you ever met someone who, at a single glance, made you think, "This person is permitted to stand in a world entirely different from my own"? Siegbert Ra Ranie, the First Prince of the Kingdom of Latovenia, felt that conviction the moment he first laid eyes on his stepsister, Yuilia, who was five years his junior and still an infant. At first, he felt a burning jealousy and hatred towards Yuilia, who possessed outstanding talent, but eventually, those feelings transformed into a powerful admiration. And the young boy made up his mind: not he, with his average talent, but Yuilia was the one who ought to be king and rule the nation. And as an older brother, he vowed to protect his sister from all malice directed toward her. For that purpose, he would not mind even being called talentless or a worthless prince, and so he began his efforts—.