Dark Matter Ascension - Chapter 49B2 - : Embrace the Void

A man is reborn into the world of Avatar: The Last Air Bender as a waterbender from Katara's tribe. Best of all, he was the same age as her, and he had a system with him to help.He knows the future and a system that lets him continuously get stronger by completing quests or long-term missions, as well as giving him the ability to copy abilities from others for himself. He will become invincible in the world of Avatar, even more so than the Avatar himself.

I am reborn as a minor character and the mother of the main character, the deposed ruler Leriana Ashford.My husband's younger brother will stage a rebellion against him, and only my young children will manage to escape. And the unfortunate Queen Leriane faces a bleak end. According to the plot, my heroine will sacrifice her life during the rebellion to save her children.Except she won't! Dying at twenty-seven is too soon for me and I'm going to change the tragic plot of this novella.I was lucky enough to be reborn ten years before the events of the novel began. At a time when the future King Philip and his brother Razor had just fallen in love with me at the Royal Academy, and their fight for me led to a feud. To survive - I decided not to become queen and live a quiet life with my father the Duke. And in order to rid myself of these two, I had to go to extreme measures.I decided to start dating the daughter of the cursed Duke, who is feared and hated by the entire academy.

Zhen Zhen was reborn in the forest area in the 1960s with a drop of the blood of the ancient gods. The awakening of the blood of the gods not only gave Zhen Zhen one power after another, but also made her the most favored little lucky star in the family!

- Description from Novelupdates

This novel is also known as The Yun Family's Ninth Child is an Imp!

She was an unprecedented assassin, a trump card deadly agent, but transmigrated through into Ye City’s number one prodigious good-for-nothing young miss.

I am an ugly woman? I will break out from my cocoon into a gorgeous butterfly that will blind your snobbish eyes!

I am useless piece of heap? Lightning in my hands, I will smite you to a well-cooked crisp!

Her greed and lust for money had no end. She is lewd to the core with no bottom in sight, sworn to have love fortunes blossom all around her. However, a certain someone holding a blade in the left hand and a sword in the right hand began cutting those love fortunes one by one!

The person smiled with perked brows, “Little Ninth, it looks like I have to let you become occupied!”

- Description from Novelupdates