As the saying goes, a father's debt is repaid by his son.
If it's not clear... I have no choice but to pay it back... And so on...
Tang Shu was an unlucky warlock. Because his ancestors had committed so many sins, he still had a lot of debts to repay in his lifetime...
Although he practiced martial arts well and became immortal, he did not realize half of the splendor of life because of his debts.
Until a hundred years later, he ran into an antique shop...