The horn, which is rumored to rejuvenate the body, is a gift from the ghost of the dragon king. The horn's effects include body shaping and even rejuvenation. It is rumored that the horn can even help a man regain his youth and give birth to his first child. When the horn is brought to the dugu household, the grandfather tells the young man that he will have to ask his father's permission before he can marry his niece. The young man says that he has been in love with Fujia for many years, and that he hopes his grandfather will approve of the marriage. The grandfather tells him that he is doing this for his own good. He says that the ghost has offered the horn so that the grandfather will no longer have to bear the regret of having missed the chance to have a son. Fujia and the grandfather have been together since they were children, and he hopes that they will be able to get the approval of his father before they marry