Rebirth in 1970, Take over and Fuck My Sister at the Beginning

In his previous life, Qin Feng indirectly killed his wife and god-sister Xu Wei because he was a bastard. Returning to the 1970s, Qin Feng once again faced the choice of taking over for his sister. In this life, he decided not to make the same mistakes again. Make a fortune and start a business with your own hands, open a commune, set up a farm, and undertake city construction... Bring your wife and sister to eat and drink spicy food!