The Only Favored Medical Concubine in the Prosperous Age Got Married

One-on-one, the male and female protagonists are both powerful and doting. Gu Xiyan: "Hey, man, please stay away from me. We are not familiar with each other." Nangong Yichen: "I've hugged you and kissed you, but you're still not familiar with me?" Nangong Yichen: "Woman, you have to be responsible for me!" Gu Xiyan: "Responsible? If you hug me and kiss me, you won't get pregnant!" Nangong Yichen: "But you have to be responsible for me." Everyone knows that the fourth prince of Xiling Kingdom regards women as trouble and avoids them. Coldness is synonymous with him, and ruthlessness is his nature. But why did this ruthless fourth prince come up to her and ask her to take responsibility, but she couldn't get pregnant...