City: Back to the Past for Sixty Seconds

I have a younger sister, Tingting, who is one year younger than me. Her name is Liu Tingting. Something bad happened to us when I was eleven and we separated. At the same time, the pocket watch she gave me as a birthday gift broke. More than ten years later, Tingting sister suddenly came back, but something magical happened to Biao. Once the system pocket watch is activated, you can go back in time sixty seconds. In this way, I use these sixty seconds every day. Gradually, I became the boss. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.