The biggest secret in history is that human beings are extinct and reborn. Xia Lin, a new scientist who just realized this great discovery, has returned to the first period of human appearance, and picked up a little loyal dog. He thought it was a piece of wood. He becomes an old driver in minutes, eats and wipes clean, and talks about flirting, and unexpectedly brings three little kids with him, and starts the adventure of the times.What is the reason for the extinction of human beings… Xia Lin: What are you… what are you doing.Mu Xi has an innocent face: I didn’t do anything, didn’t you tell me to take it off.Xia Lin: …Death.Content tags: Strong love has a soft spot┃ Search keywords: Protagonist: Xia Lin, Wood Department┃ Supporting roles: Too many, follow-up