Become a winner in life after binding the childbearing system

There are all kinds of things in the world. Shen Yao, who died of old age, was bound to a system. This system is different from other systems. Just by listening to the name, you can tell that it is not very serious. However, in order to stay alive, Shen Yao still accepted the advice of the child-bearing system and reached an agreement with the system to keep traveling through the three thousand worlds... (Some worlds are not fast-traveled, the author is tepid, the progress may be slow, and the male protagonist is set as a tool person) Tentative mission worlds: The first one: the cannon fodder concubine in the ancient world The second one: the city lord's little transparent concubine in the world of cultivation The third one: the daily life of the 70s alley in the world of the era The fourth one: the modern world of the 21st century tycoon The fifth one: the modern world of the strange descendant...