MTL - This Star is a Bit All-around - Chapter 5 The little boss is here (thanks for the recommendation ticket)

Because her appearance was not breathtaking, the Emperor breaks off their engagement and bestows her instead to the bloodthirsty, ruthless, and cold-blooded Second Prince (Wang Ye).

On her wedding night comes endless humiliation, the genuine Princess Consort becoming a deserted women. A foolish woman before rebirth, she no longer expects his love. In this world, she must possess enough talent to awe those around her, carrying herself with composure and articulating with beautiful diction, override above the nine night.

- Description from Novelupdates

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.

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

*“The flap of a butterfly's wings can trigger a tornado on the other side of the world.” —Edward Lorenz.We are twenty years before independence in the Viceroyalty of New Granada. Spain is still the overlord of the southern part of the continent, but its power is fading. Can our protagonist really change the future, or will he be swallowed by the competing interests surrounding independence?He awakens with only a few memories of the 21st century, struggling to navigate a world on the brink of revolution. From the start, he aims to use the independence movements to become one of the most powerful forces in post-independence South America and secure a future for his descendants. But to achieve his goals, he must outmaneuver the Church, the nobility, and wealthy merchants—while trying to build a good life for himself and the people who place their trust in him.