Back to 70, My Scumbag Father and Scumbag Mother Regretted It

Li Yan was sleeping in a rented house. Inexplicably, she traveled to the year 1973 and traveled back to the original owner. She gave up the courage to live because of her disappointment with her scumbag father and mother. Li Yan, an ordinary young lady, worked hard in the 1970s. She went to the black market, went to college, sold clothes, opened a factory, and gradually completed the goals that she had not accomplished in her previous life! No cp, overhead era,