On the Donghua Continent, there is a strange nation: The Qingqiu tribe is the descendant of the nine-tailed demon fox and humans. It may be because of the blood of the demon fox. The Qingqiu tribe, both men and women, are all beautiful and charming. They have a very long youth and are aging slowly. Among them, there are even better people called foxes. The number of foxes is extremely rare. It is difficult to give birth to a sacred son who is regarded as Qingqiu and has the ability to have both sexes. When they are teenagers, they are no different from ordinary boys. However, when they are fertile during the fertility period, their breasts will develop rapidly and grow breasts. The ability to self-lactation is a sign of the development and maturity of female fertility organs in their inner women.