Awakening Ten Times Cashback System, Only Caused by Cola

The protagonist Ye Feng travels back in time and becomes a middle-aged man with an annual salary of 400,000 yuan but no status in the family. When he is hospitalized for a myocardial infarction, his wife Jiang Fan and daughter Ye Qianqian are completely ignored. He spends 10 yuan to buy a Coke and triggers the system, which instantly gives him tenfold cash back. After he awakened to the ten-fold consumption return system, he determined to completely get rid of his vampire family and start a counterattack.