Space + Sweet Pet + Military Marriage + Farming + Time Travel with Good Sisters Tang Siyu and her good sisters traveled through the 1970s together. One has space and the other has a system. The man they found was good, he paid his salary, he knew how to care for others, and he didn't mess around with women... They had space on their left hand, spiritual spring on their right hand, and a man who doted on them stood behind them. From then on, they embarked on a life of cheating.