MTL - Comprehensive Manga: Starting From Teaching Hinata’s Black Coffin, It Will Be Returned 10,000 Times - Chapter 30

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

What? Your future wife is a peerless killer, an underground queen?

Sorry, just killed her the other day.

…

I heard that your girlfriend is the famous champion of China, the dream lover of countless people?

Um, she was too tired and fell asleep at night, you can come to her tomorrow.

…

I remember that the abandoned store of the second uncle seemed to be bought by someone in a month or two.

Hurry up and exchange the useless places in the training house with your cousin for the abandoned store.

Then resold at a price of 10 million alliance coins.

…

What?

Xu Yang rescued a legendary elf and took care of it for a month.

Yi Lam knocked Xu Yang unconscious with a sap and threw him out.

The legendary elf who regained consciousness saw Edward Lam.

He was so grateful to him that he willingly became Edward Lam’s elf.

- Description from novelbuddy

(Based on LN) Tanya von Degurechaff - once a soldier of the Empire fell in the battle unfairly through that being shameless intervention.**Cursed Being X!**The promised destruction of the soul, and so called last reincarnation is a lie by that being. Tanya - or her new given name Tsuyu Uzumaki found herself in the world of Shinobi - with fox-skinned Godzilla named Kyuubi destroying the village on the day she and her twin brother Naruto were born.Tanya once again curse Being X in her heart because she knows this world is far more dangerous than the last. But that does not stop her from her goal of being able to sit on top and leisurely enjoy life. Therefore, she will rise through the ranks, finding opportunity for herself to finally sit at the throne of Hokage! Or the Konoha Council - eyeing the position similar to Danzo, Koharu and Homura.This is her journey!

Those people killed her grandmother, murdered her younger brother, trampled the people she deeply cared about, and even took her own life.

It was because she trusted her ambitious stepmother and half-sister;

because she mistakenly believed that womanly virtue is to have no talent;

because of her noble status and origin….This is what caused her death.

Buried in river water, Ouyang Nuan, gritted her teeth and spoke, “I, Ouyang Nuan was wronged in death. Even if it takes forever, I will become a devil, and in the next life, will not let you off!”

When she once again opened her eyes, Ouyang Nuan was sent back in time to when she was twelve years old. Around this age, her forehead was scarred, her brother fell into the water, and in three years she will be married…

In this life, she will try to change everything to guard and protect those she cares for from those with treacherous intentions. She will live a glorious life!

- Description from Novelupdates