Kuro no Maou - Chapter 501.1

It was in the year 2800 of the Midgard calendar. Back then, there was a Overlord who once reigned supreme and had reached the very brink of subduing the world.

Blessed with unlimited mana, Noah travels the worlds and sees rampant corruption and injustice.

Sky is not born of Shen Huan, millennium is like night.

This is a rebirth who wants to release himself, and has an interesting life story after getting a less serious system.

- Description from Uukanshu

The Yaoguang Realm expelled the foreign demons from the human race, and established the ninth-grade family and sect. At this point, the Yaoguang Realm came to an era ruled by the family and the sect.

The ninth rank rules a city, the eighth rank rules a county, the seventh rank rules a state, the sixth rank rules a country…

Chen Yang came through with He Daozhu, cultivated a powerful bloodline monster, raised the farm, and led the Chen family to become the current saint.

- Description from novelbuddy