Male. Having failed to gain recognition from his father, who values only skill, he became twisted and grew loyal to the First Prince, Abel. He is the younger brother of Orter Madl. Given that Orter considers Wirth a 'distant younger brother' and Wirth views Orter as a 'being to be surpassed,' the relationship between the brothers is not very good. The second son of the Duke Madl family. He also receives many marriage proposals but is currently rejecting them all. He became close friends with Abyss Razor, Abel Walker, and Guest while causing trouble during their school days. They still exchange letters.

Male. The son of the Northern Archduke, famous for his coldness. He is highly skilled in magic and excels in his studies. He was the top student at the elite school 'Ishtar,' attended by royalty and nobility. Thanks to his handsome appearance, he frequently receives marriage proposals, but he rejects them due to a lack of interest. He became close with Wirth Madl, Abel Walker, and Guest while causing a lot of trouble during their school days, and they are said to still exchange letters.

Male. The First Crown Prince and son of the current Emperor. During his school days, he was known as the 'delinquent' of Ishtar. Despite his good looks attracting many women, he has no interest in such things. He became blunt and cold after the death of his mother, the Empress, during his childhood. He became close with Wirth Madl, Abyss Razor, and Guest while causing trouble during their school days, and they are the only ones he calls by their names.