Isekai/reincarnation/time regression

When Baek Hayul wakes up in a foreign world as Duchess Aila Rinehart, she knows she has to escape. Her husband, Duke Claude Rinehart, is the antagonist of the story, “Prince, My Prince,” who gets executed for plotting a revolt against the crown. Hayul has no intention of dying alongside her new husband and demands a divorce. But when Claude turns down her repeated requests to end their marriage, she has no choice but to propose a deal. She gives Claude one month to win her love and change her mind, something she is determined to resist with all her strength, but her time with Claude leaves her feeling suspicious, restless, and uncertain. Will Claude be able to win Hayul over, or will they ultimately part ways?

Princess Carnephelia was unloved and neglected until she met Helis, her first love. However, under the evil plots of her stepbrother Prince lanfried, she ended up destroying the only boy she ever loved. Devastated by what she had done, the princess swears revenge... even if it entails her life being cursed for eternity.

Chloe Garnache is an alluring trap for the emperor. After living a life full of abuse at the hands of her family, Chloe is finally freed from her torture by the grand duke, Kairos Ludwig. However, her days of getting taken advantage of are far from over. The only reason Kairos took her in is because of her beauty, which he plans to use in order to lure and kill the emperor. Chloe willingly follows Kairos’ orders, having fallen for his kind and gentle gestures. Unfortunately, her feelings are never returned, and she is met with a pitiful death once her task is fulfilled. But just when things seem to be over, Chloe awakens to find herself back before her life came spiraling down. And this time, she won’t be swayed by the sweet words of the devilish grand duke…

"After meeting her death, Thalia is reborn as the female protagonist’s older sister, a character that never existed in the novel she wrote in her past life. She tries hard to get attached to the world inside the novel, but she gets caught up in the thought that everything is just a mere creation of her own. “Please make Tilly love me.” Aegis, who was supposed to fall in love with Thalia's younger sister, makes a wish to God on his coming-of-age birthday. Will Thalia be able to love Aegis?"

Bizzare phenomena all over the continent struck fear in the mighty Guelle empire. A sacrifice must be made to appease the heavens. How convenient is it that the royal throne just put out an announcement that they're looking for a tribute bride of noble birth with a hefty sum of money as reward? Enter Valia Dean, who just overcame her second near-death experience as a destitute orphan. In order to save Karl, the senile mercenary who raised her in her late parents' absence, Valia volunteers to marry Marquess Shuden Gartt, whose reputation for massacre pales in frightfulness to the coldness of his gaze. Valia, hardened by misfortune, orphancy, starvation, and betrayal, accepts what seems to be certain death. Even in marriage, she will not love. It won't matter how handsome, rich, gentle, chivalrous, and caring he is, or how lovingly he behaves as her husband, right?

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. If Arlenne isn't careful, the user might end up being used!

Reincarnated into a novel where my favorite character breathes and lives. The beauty claimed to be the most beautiful in the continent. The jewel most cherished by the Emperor. The queen of the social circles. The time bomb of the Imperial Palace. I became Princess Agnes Saint, the one with all these titles and descriptions! It’s nice being from a rich royal family, but… Like Draco Malfoy who scorned Muggles in Harry Potter, the problem was that ‘I’ was the despised tr*sh that insulted my favorite character’s integrity. To make matters worse, she’s hopelessly courting another man. ‘My favorite character is Kylo, the male lead’s rival, and now I’ve reincarnated as a hardcore fan of the male lead…’ But now that it’s come to this… I will, at all costs, by any means possible, prevent my favorite character’s death and pave a flower path for him! But if I suddenly reveal myself as a Kylo fan, everyone would think I’ve lost my mind. Kylo himself would suspect I’m a madwoman. I didn’t want my kitten, Kylo, to be shocked in any way. So for now, I must hide this agonizing affection. Plus, revealing that you’re a fan has never done any good. So for the time being, I will perfectly… ‘Hide it.’

After being reborn as a wealthy duchess's daughter, Yurenia Rohelio thought she’d live her days rolling in cash. Unfortunately, she’s also fated to die at the hands of her obsessive, villainous brother Lysandro! To secure a happy ending, Yurenia has little choice but to train her psychotic twin while he's still young so he doesn't become a villain! But just when she thinks her plan will bear fruit, she begins to realize that there is actually more to this dark story than meets the eye...

Julianne is as close to perfect as it gets: she’s got looks, talent, and smarts. The only problem is she has terrible taste in men! That’s why her little sister Lilianne is doing everything she can to make sure she doesn’t end up with the wrong guy. However, Julianne’s suitors are quickly catching on that the way to her heart is through Lilianne’s sweet tooth! How far will Lilianne go to set her sister up with the right man? Who will be the sweetest suitor?

Baroness Eleanor Mariche, renowned novelist and relationship expert, has been summoned by an ambitious duke to convince his son, Count Ryan Calabria, into marrying the princess. The problem is… not only does the count have no interest in the princess, he seems to have fallen for Eleanor instead! Now, she must deal with the wrath of his unhappy father, and also defend herself against a two-faced princess! Will she emerge victorious in this struggle for love and power?

A customer service employee one moment, then an adviser to the tyrannical emperor, Cardan Zeon, the next. Our heroine was suddenly transmigrated into the body of Duchess Erina Valois, a side character who dies a tragic death at the emperor’s hands in a novel she was reading the night before. So despite all the confusion and chaos, one thing is for sure. If Erina is to survive under this tyrant, she will have to get her act together ASAP! Though, strangely enough, she gets a sense that there is more to their relationship than what was described in the novel...

To save her younger sister Aria from her illness, Cassmire Crisis became a mercenary, wielding a sword and shedding blood to pay for her medicine. But when Cassmire suffers a fall one day, memories of her past life as Aria’s wicked stepsister come flooding back. Rather than take up the role of villainess again, Cassmire vows to protect Aria this time. But with Aria doomed by the story to face only hardships, Cassmire must pick up her weapon once more to become her sister’s loyal sword!

“Don’t disappoint me, Hilda.” 「Adrian’s murderous intent is rising.」 「Convince Adrian to lower his murderous intent. If you fail to do so, you will die.」 「Adrian’s murderous intent: 92%」 Adrian Kaiser von der Paltzdraf. The successor to the Patzdraf Family. He is praised as an angel by the entire world, but only I knew the truth. That all the serial murders and attempted murders, which have been causing a fuss in this region as of late, have all been the actions of that amicable looking young master. No, I was the only one who could know this. Since I was the only one who entered into this ridiculous horror game world. Someone save me, please!

The great hero Devota worked tirelessly to save the world from evil, only to be betrayed and killed by the very man who raised her. Luckily, she’s granted a new life as a young orphan named Diamond and, through a twist of fate, is taken in by an old comrade, now a powerful duchess. The whole family dotes on her like she’s one of their own, and as it turns out, she actually might be… But with her murderer still at large and her revenge still unfinished, will Dia be able to open her heart to love?

I became an illegitimate child of a blo*** villainous family with no family love. Elodie, who had a weak body and a nervous attitude, bullied the servants. Three years from now, my sister will be adopted. The female lead, who was adopted as a political tool, will melt not only her father but also the whole family with her loveliness. Let's get some money back and become independent from this family until the sister shows up! I did. "Independent? What kind of bullsh*t is that?" "Who is the guy." "Sister, are you sure you're not going to run away from home?" Is my family against independence?

After being taken in by the noble house of Nacht, Sienna grew up with her adopted sister, Lorena, who she believed to be the sweetest, kindest person in the world. But after Lorena attempts to kill her, Sienna realizes how much her "loving" sister actually hated her. She tries to end her life with a magic potion but ends up going back in time instead. Determined to survive, she tries to use her memories to her advantage. For some strange reason though... Lorena is now nowhere to be found.

After being reincarnated as the villainess of a novel, Yurina is determined to escape her fate of being killed by the story’s second male lead. Her solution? Save his life and get him on her side before he falls in love with the female lead! Her recollection of the story is spotty, but after months of searching, Yurina finally finds him-- or so she thinks. He’s a bit different from what she expected, but that’s probably because of her poor memory... Her plan should still work, right?

How should one act when seeking love? “You’re not my child. Shuelina is sentenced to the Mirror of Spirits.” The real princess, Shuelina, is abandoned at an orphanage due to the empress’s schemes, living a life of loneliness. Eventually, she meets her biological father, the emperor, but her life ends in misery… ‘Shuelina, I won’t live like you.’ To escape this situation, she decides to embrace the support of the Grand Duke of Vailot and display her loveliness— “Shuelina is my daughter.” “That child is a princess, a royal blood.” The emperor has come to find me. “When Shuelina returns, I’ll teach her swordsmanship and even carry her on my back.” Even my older brother is looking for me. But I’ll stay with the Grand Duke. You never listened to Shuelina before. I don’t need this kind of affection!

After losing her parents at an early age, noble lady Elissa Lohengrin is brought into the powerful House Rubelin by the duke so that she can marry his grandson, Richard. However, having read this story in her past life, Elissa knows Richard is destined to murder her! To avoid this, Elissa makes a deal with Richard to divorce when they become adults. But as she plans for her future single life, Richard's feelings begin to grow, and a whirlwind of events begins that pulls Elissa closer to danger.

Kaira willingly risked her life to make her beloved Prince Reagan emperor. But when the man she sacrificed it all for crowns her cousin as empress instead of her, she loses the will to live. It’s only when she’s finally succumbed to a lethal dose of poison that she’s met with the tears of a heartbroken Prince Faylon, and she realizes her love was wasted on the wrong person. Vowing to exact revenge if ever given the chance, Kaira is thrust back in time to right the wrongs committed against her and reclaim the title that is rightfully hers. As she joins hands with Prince Faylon and sets out to punish those who conspired against her, she’ll discover a world she once took for granted and seek to correct the course of her fate.

Murdered by the man she loved. Adeline Rotyn gave everything to her husband, Duke Venzak. That is, until he kills her one dark and stormy night. Instead of dying, she finds herself transported years into the past. Determined to make the most of her second chance at life, she vows to become stronger and escape her horrid fate.