Travel Through the Past Every Seven Days

Zhang Lingtian obtained a time-travel system while drinking to relieve his sorrow. He can travel through the past and change the future every seven days. For the first time, he traveled back to the university seven years ago. Zhang Lingtian spent three days to turn himself into a multi-millionaire. The second time he traveled back to his father's generation, Zhang Lingtian spent seven days to become the son of the richest man! The third time he traveled back to ancient times, Zhang Lingtian spent a month transforming himself into a descendant of a noble family. The fourth time traveling... The fifth time traveling... The sixth time through... After traveling through time many times, Zhang Lingtian suddenly discovered that he had become the ruler of the entire world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.