My Friend and I Reincarnated Into a Tragedy Dating Game - Chapter 13: A Strange Book

Framed by her so-called best friend and half-sister, Su Qianxun stumbled upon a strange man when she was making her escape. A strange man so handsome it looked as if his face was carved by the Gods, but with a heart as cold as stone. A wild and fiery night ensued, and ever since then, they embarked on a journey filled with passion, lust, conspiracy and treachery.

The constant mission is getting redemption.

Shuttle though various worlds to become a variety of scum men, do a little whitewashing and become a good man in the eyes of everyone.

Redeem those who are miserable, and let them live a happy life.

- Description from Novelupdates

Emperor Zi Yu used 5 strikes of his axe to split mountains and unify everyone underneath the heavens. He partitioned the land into 9 areas, thus establishing the Nine Cauldrons which eventually became known as the 9 prefectures.