Regressed Female lead

In her past life, Duke Casis Esteban swept Sally off her feet and took her in as his mistress. However, she was living in a nightmare when Duchess Elysee Esteban plotted to ruin her life and turn all the nobles against her. Now, Sally has a second chance to turn the tables on the cold duke who used her to end his unhappy marriage. She agrees to be the duke’s mistress only in appearance.

Arlenne Serkia is granted the chance to go back in time and devises a plan to ruin the man who stabbed her heart. The key to her scheme is the slave Kasadin, renowned for his unmatched swordsmanship and stunning beauty, whom she adopts as her "younger brother" to use as both her sword and shield. But Kasadin has a past much deeper and more dangerous than she realizes... and this drives his own motives for staying close to her, both personal and political.

I entered the body of Niveia Herbert, the only daughter of God in the kingdom, who was offered as a sacrifice.

She sacrificed herself as the eldest daughter of my family for them, lost my fiancée to my rival, and gave my life as a believer for the kingdom... there was just calamities upon calamities happening.

"There's no point in dying. Fuck the sacrifice."
Destroying her death flag and aiming a bow that will change her fate to fight God, the final boss!

Sirens... a name derived from an ancient creature, used to describe those who could charm, lure, control, and heal others by singing.

Years ago, a siren named Sophia was kidnapped by Count Cortez as his prized siren, and a girl named Aria was born soon after as their daugher.

Subjected to live the life of a siren, Aria had experienced, seen, and heard many horrific things. Others would do anything to hear her sing, to the point of insanity.

Valia was born into a fallen noble family as the daughter of a knight and lived a sad life. Then, the opportunity of a second life comes to her..
“Should I live like that again?”
No, she won’t!
Valia decides to become a temple princess in order to live a happier life without having to worry about money. But then, as a princess, she becomes the wife of Shuden, the most handsome man and highest-ranking noble in the Empire…!

In order to receive love from her father, Keira tried her hardest to live the life of a perfect, submissive daughter.
However one day, Cosette appears claiming to be his real daughter and Kiera is executed under the assumption that she is a fake.
In the last moments of her life, Cosette whispers to Kiera “Truthfully, you were the real one”.
Kiera, recalling those words, returns to the past.
Although revenge is important, what does it matter who is fake and who is real?

Dorothy has always been discriminated against and ignored by others. In the end, she decided to kill all her brothers and take the throne.
She received no response from the son she loved. In the end, she was widely criticized as a tyrant and was executed.
But when she opened her eyes, she found herself back in her childhood.
“Can’t just let it end like this.”

Dia, the daughter of a duke who has been treated poorly by her family for many years, has always wanted to leave her house. However, just when she thought she could finally leave home after getting married, her fiancé, Prince Arnold, turns out to be a scumbag who has his mistress as his attendant and ignores Dia. On her wedding day, the prince's mistress purposely steps on the hem of her dress, causing her to fall down the stairs and die at the young age of 16

A child who lost everything to a villain. Ten years later, that child returned as a hero called a demigod. And the enraged hero began his revenge by killing the villain and his family… But there was a problem. It was that Lila was the daughter of that villain.

As an illegitimate princess, Anastasia Entimos has died in just about every way imaginable. Every time she dies, she is brought back to the moment of her birth and forced to relive her tragic fate. It is only in her 10th life that she discovers her father is the esteemed knight and war hero, Paeon Parschel! Determined to escape her miserable fate once and for all, Anastasia vows to use her aloof father as a stepping stone to freedom.