MTL - My Lord is A Stone - Chapter 48

On the distant Tianxiu Planet, there exists a group of unusual and intelligent beings. They consist of neither children nor elders. They have neither birth nor real death. They are born into the world through an extremely special process and have managed to keep their fundamental memories of survival through their endless reincarnations.

They are the Tianxiu people.

For every Tianxiu person, if they find someone they like and want to bind as partners with each other — then they would have to go through a life or death Adult Ceremony. The winner of the ceremony will become the absolute dominant in this spousal relationship.

While the defeated one will be referred to as — Qizi.

- Description from Novelupdates

A story of time-travel. Sly and cunning, she unexpectedly became a sickly noble lady whose fiancé is merciless and demotes her to a lowly concubine. She sneers and bravely breaks off the engagement. To hell with scumbags, marry heirs to lords, blind the courts with her brilliance.

Empire of the Ring is a Korean modern fantasy epic adventure novel that sets in the nations of the Caucasus mountain range which separates Europe and Asia. The nations of Caucasus are regions of many conflicts over territories, ethnicities, and religions. The story begins as Lee Youngho, a warm-hearted Korean merchandiser, takes a business trip to a disputed territory of the Caucasus nations to sell Korean unmanned security systems only to get misconstrued as a spy and caught by Armenian militia. Youngho eventually gets involved with the militia and CIA to help out people of the regions from conflicts and works toward a birth of a new empire in Caucasus.

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates