Ail Linus is the crown prince of the country, son of Emperor Pedro Linus. He is 14 years old with a slight frame, piercing golden eyes, and crimson lips. He is described as beautiful and emotionally detached, showing little interest in gossip or political marriages. He attends archery classes thrice weekly at the training grounds. Despite his young age, he is being considered for marriage, with both Erita Jenin and Tasha Kaizel as potential candidates. He unexpectedly declares that he will marry Erita Jenin, changing his mind about following his father's decision.
