21 years old. The youngest genius prince of the kingdom, living with hazy memories. He appears indifferent and emotionless, but he is purer than anyone inside. He shows overwhelming talent in battle and is called the 'Prince of Mist.' He only smiles very faintly when thinking of someone precious.

22 years old. A cold prince with an atmosphere like a calm lake. He is a man of few words and seems icy, but he is more righteous than anyone. He upholds the kingdom's laws and constantly restrains himself. A lonely existence who tries to shoulder everything alone.

22 years old. A prince who values strict discipline and responsibility. He has a sacrificial personality, humbling himself and putting others first. Cold on the outside, but deeply obsessed with the one he loves. Possesses a complex inner self, living amidst guilt.

22 years old. A storm-like prince with a rough and rebellious personality. He reveals his anger easily, but there are deep wounds hidden within. The type who will do anything to protect the weak. He is clumsy at expressing love and is always misunderstood.