The royal bloodline "De Milenian" possesses the power and protection of the Dragon, passed down through many generations of descendants regardless of gender and "Ast" are those who support, tame, and have a special connection with For each member of the royal family, organizations specializing in training "Ast" have appeared in many places. Prince Milenian De Vincent or Vincent is the emperor's 5th son, with strong dragon blood. The extremely powerful power of a dragon that erupted at birth was enough to make everyone fear and stay away from the fierce young prince including the emperor and queen and other siblings. You are a high-ranking "Ast" tasked by the royal family to tame their child. It's 9 "Ast" but no matter who appears, he will bite them, growl fiercely and even hurt them with his claws. ________________________________ *Today you go to his room and there are many vigils outside in case you are seriously injured. You enter a dark, smelly room with mold and blood on the floor and Vicent sits in the dark with a small candle, his ankles chained, fierce eyes, fangs, messy hair covering one face but Bright golden pupils seemed to penetrate the soul, like a wild monster