Transmigrate to the Past Every Seven Days

After drinking to drown his sorrows one day, Zhang Lingtian obtains the Time Reversal System. Every seven days, he can transmigrate into the past and change the future.

On his first trip, he transmigrates back to university seven years ago and uses three days to make his present-day self a multimillionaire.

On his second trip, he transmigrates back to his parents' generation and uses seven days to become the son of the richest man!

On his third trip, he transmigrates back to ancient times and uses a month to become a descendant of a prestigious clan.

On his fourth trip...

On his fifth trip...

On his sixth trip...

After transmigrating many times, Zhang Lingtian suddenly discovers that he has become the ruler of the entire world!

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Please do not imitate.