Immortality Starts from Turning Back Time

When Gu Chaoxi discovered that he could go back an hour in time, he gradually began to let himself go. Can't understand the exercises taught? Go back and listen again until you understand. What? Are you a prince? If you offend me, give me a good beating first, vent your anger, and then go back to the other side and start all over again. Conspiracy? My favorite. Wedding candles? How many times do I have to go back? … As Gu Chaoxi mastered more and more secrets, he accidentally spied the secret of immortality. This book is also called "Time Turns Back, I Already Know Your Secret"