1970S and 1980S

The male protagonist is in the army and does not go home, and the original owner is made things difficult and killed. The female protagonist can make money after traveling through time. The child is sensible. The male protagonist comes back and prepares to pick peaches. The female protagonist divorces quickly and takes the children away. She takes the college entrance examination and develops her career. There are like-minded people together (don't drag her ex, just do it)