Tensei Shite Inaka de Slowlife wo Okuritai - Chapter 181: Operation to Win Sheila 4

Florentia was reincarnated as the illegitimate child of the richest family in the empire.

Wei Yuewu is the unloved daughter of the powerful Marquis Hua Yang. On her way back to the capital city to marry her fiancé, she becomes the target of a ruthless assassination led by her fiancé, Marquis Jing Yuan. With the help of the Prince of Yan State, she narrowly escapes from one disaster after another and returns to the capital. Determined to avenge her enemies and unravel the mystery surrounding her engagement with Marquis Jing Yuan as well as the death of her mother, Wei Yuewu makes a deal with the Prince of Yan State. However, just as she has triumphed over all her enemies and is about to reach the acme of her life, she deliberately destroys her own future and becomes an exile of her own…

- Description from Novelupdates

When the Earl’s daughter, Serafiona, met the Holy Beast, she realized that she had reincarnated as the villainess of a fantasy novel that she had read in her previous life. This is the story of Serafiona avoiding her worst fate and her dream to become an adventurer with the Holy Beast, Lu.

Seven years ago, after their breakup, he disappeared without a trace.