Wearing the 70'S, Pretending to Be a Rich Man to Do Scientific Research and Make Money with Both Hands

Shen Duyun was killed by a alien species in the last days. He traveled back to China in the 1970s, an era where everything needed to be paid for with tickets. He was originally very generous in love. Shen Duyun sent the scumbag and his cousin to meet the original owner. He accidentally repaired a car and was noticed by the military. He accidentally saw a computer and was asked to join the research institute.