Quickly wear the pregnant queen

Introduction: Fast time travel: I rely on good pregnancy to be a queen [Quick time travel + stunning heroine + no fixed CP + childbirth + Gong Dou + abuse of scum] Xu Lingyi got a system after she died suddenly from overwork one day. The system told her that as long as she Go to various mission worlds and help the male protagonist whose heirs are extremely difficult to give birth to an heir, and you can gain eternal life.Xu Lingyi agreed, and only after her death did she realize that life is the most precious thing, and she will go all out to survive.Story 36 [The middle-aged emperor without heirs] Stunning noble girl × middle-aged emperor, age difference.As an emperor, he had no son at the age of [-]. He could only adopt an heir from the clan. He thought that the hard-earned country would be handed over to others, but he did not expect that one day, his favorite concubine became pregnant and gave birth to him. Heirs one by one.Story [-]: [The extinct emperor of the general's successor × the king who seized the wife of his ministers...