Mai was to marry into the Kuya family, a feared family of dragon people. Born and raised in a poor family, she willingly accepted the marriage proposal to the Kuya family in order to help her sick parents. However, her husband, Saraya, was cold to her from the first time they met, as if he rejected her, and even avoided the bare minimum of conversation. Though Mai was confused by his cold attitude, she encouraged herself. In order not to regret the path she chose for her family, she wanted to build trust with Saraya as a couple. With that in mind, she made a positive effort to find out the true feelings hidden behind his words and actions. Her sincere attitude gradually brought about a change in Saraya's heart, and the two of them took a step forward as a real couple. But just as she thought so, Mai's daily life began to take an even more surprising turn. "If an ordinary human mates with a dragon man, she will lose her life." "The dragon-man's essence will modify the pair's body so that they can bear children. They will never be able to have children with another human again." "From now on, you will have to live with my essence stuffed inside your uterus." In order to bear a child, the days of unconventional development begin...