I Got Reincarnated as a Zombie Girl - Chapter 120 - The End of Chaos

Falling in love with my imposter sister's fiance wasn't the plan. After finding out that she was exchanged at birth and was the real daughter of the Moore family, Eliana was expecting a turn in her life, but nothing changed except that she lived in a big house and could now eat good food. Her parents still ignored her and everything good was first given to Amber, their imposter daughter.She was twelve when she met him, when he saved her from drowning, and when she found out that he already had a betrothed. It was already known that the eldest son of the Sanders family was betrothed to the eldest daughter of the Moore family since birth. She knew this, and it was only natural that she accepted this, but the more they crossed paths, the more she wanted him and the more she wanted more for herself. Eliana was ready to do anything to achieve all her dark desires, even if it made her a villain.After all, there is a saying that goes “Villians are not born, they are made.”

After 10,000 years, it was iced. The Douro’s federal expedition team discovered an egg with a gold and silver two-color pattern during the scientific study in the northern part of the country. After exploring it with an instrument, it found that there were vital signs inside, and he quickly brought it back to the institute for incubation. The egg hatched, but it was a baby, a baby identical to humans, and an egg-born child.

- Description from ptwxz

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

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