On the day he was laid off, programmer Sun Qi was bound to the mysterious system "Cause and Effect Book". He can see the price everyone is paying - health, time, longevity... And can change them. But every time you use it, you must pay an equivalent price: your own, or someone else's. When the balance of the woman he loved only had one year left, and when the whole world told him that "let others pay" was the right answer - Sun Qi chose to pay himself again and again. But how long can he pay?
