Diary of an Errand Boy

This book tells the story of Zhou Jicheng, the eldest son of the Duke of Zhenguo in the Zhou Dynasty, who went from being a dandy in the capital to having his family and family destroyed. In the desperate situation of being on the run, he triggered the time-travel mechanism and possessed a modern deliveryman. He relied on his excellent physical strength to complete the task of "earning 50,000 yuan in 100 days", learned modern techniques such as "fast food standardization" and returned to ancient times. Later, in times of crisis, he accumulated wealth and technology through many reincarnations. When faced with the tragedy of invasion by foreign enemies, the tragic death of his beloved, and the loss of all his wealth, he did not give up. Instead, he chose to take the initiative to travel to modern times, and after completing moral redemption, he returned to ancient times with the "Civilization Database"