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Amamiya Nagisa was very much in love with the evil marquis Neun, a character from her favourite light novel. On the verge of her death, what awaited her on the other side wasn't oblivion, but being reincarnated into Neun's younger sister Frau! They might not be related by blood, but in the world of the novel, love between siblings is horribly taboo. Unable to bear the thought of anyone else having her beloved Neun, she will become the villainess Frau, tear down all his romance flags, and give them to him herself!

Once a top scientist in the modern world, she was transported to ancient times and found herself involved in a family feud. Her legs were disabled? A cutting-edge genetic drug from 2160 would come to her rescue. Her designing stepmother and half-sister set her up? Brainwave control and AR would teach them a lesson. Yvonne Yates stopped at nothing to rise to the challenges until the notoriously murderous, brutal and ugly Eighth Prince in the capital proposed to marry her.

After multiple reincarnations and many trials, Xu Xiaowen discovered that he has been given the No. 1 Buff. No matter what he sets out to do, he always ended up as the number-one at it, but then he'd drop dead afterwards. So in this life Xu Xiaowen wished to live this life as an ordinary, useless guy, and survive until 80! But then the gods made a joke out of it, by making him an omnipotent being!? (Source: Tencent, translated)

She told herself, "This time, I'll live my life for me." Marisha, the daughter of a marquis, was born without any magical ability—a disgrace to her noble family and a source of shame. The only thing that brought her comfort was her fiancé, Heinrich, whom she believed truly loved her. But everything crumbled when she caught Heinrich betraying her with her half-sister, Canoria. In that painful moment, Marisha's memories of her past life as the powerful "Black Saintess" returned. Awakened to her true self, she decides to escape—to live her life alone, free from family, love, and heartbreak. But on her path to freedom, a man named Theodore appears—mysterious and wounded—offering her a fake engagement that would save them both. Marisha wants a peaceful life on her own. Theodore, on the other hand, wants her by his side no matter what... Could this temporary arrangement possibly blossom into something real?

Rui Ezaki, an employee of a black company, is hit by a truck on his way home and is reincarnated by God into another world called "Rubel". His reincarnated body is that of the youngest child of an aristocrat named Eltido Recis Adstram. All of his family members are beautiful and handsome, and he is loved by everyone. He also has a genius talent for magic, making him a cheat!

公爵令嬢のノアール・アルマンは唐突に理解した。前世は男運がない女子高生で、乙女ゲーム『バラ色の祈り』に登場する悪役令嬢に転生していたことを。そして待ち受けるのは現婚約者でありながらヒロインと恋に落ちていくアルジェント・ブルム王太子殿下による婚約破棄＆投獄の運命…！ 「浮気する男なんてこちらも願い下げだ」殿下に嫌われようと冷たくあしらうノアールだけど――!? 恋愛トラウマ持ち悪役令嬢×ドS殿下の浮気回避ラブコメ開幕♪

イケメン好きの伯爵令嬢バルバラ・ザイテルは前世は日本の大学生。不慮の事故により愛読書の中に転生して、この度めでたく18歳でお見合いをしてみたら、相手はなんと…！　この国を将来恐怖のどん底に陥れる（はずの）極悪公爵!?　彼を好きになったら、私も家族も身の破滅――。頭ではそう思うのに、公爵のあまりの爽やかイケメンぶりに、心はキュンキュン、高まる気持ちを止められない…。もうこうなったら、彼と、彼と一緒に悪事を働く彼の連れ子である未来の悪役令嬢（仮）もまとめて、全力で幸せルートを目指すしかないの――!?　「バッドエンドなんて回避してみせます!!」

Yamazaki Misaki passed away due to illness, but when she awoke, she found that she had been reborn as a character in a manga she had read before her death — the abusive, wicked stepmother of the young protagonist. Only remembering this the day before her wedding, there was already no way to escape. Determined to treat her stepson well, upon meeting him, she found the boy extremely adorable! As she worked to raise the child well with her memories to aid her, the attitude of her cold husband began to change?!

Kanon realizes that she has been reborn as the villainess of a game. On her 18th birthday, her fiancé, who had chosen her half-sister to be his fiancée instead, breaks off his engagement with Kanon. Obediently accepting this decision, Kanon heads for the imperial capital. Her goal was to escape the worst possible outcome and live a peaceful life as a librarian, but she ended up signing a love contract with the emperor, one of the love interests of the game?! "My fiancé, my step-brother, and my boss are all love interests of the game, and I'm just the heroine's stepping stone?!" Being the villainess of an opportunistic game is no joke! A villainess' work x contract love fantasy!

Erendira, the "shame" of the royal family of the small country of Lenze, is the child of a king and a slave. Abandoned by her father, she is abused by her half-siblings every day. In the cold winter, Erendira is pushed into a pond and finally dies. Then, her memories of her previous life as a Japanese person come back to her, and she vows to "kill all the royal family!" and starts a new life! However, that day, Lenze is destroyed by the great power Agdnigur, and the royal palace becomes a sea of blood overnight. The angry emperor declares that all the people of Lenze will be slaves, and when he gathers the royal family in the king's chamber, he declares that he will behead them all on the spot. "I'll let anyone who is useful live," the emperor boasts, but the royal family begs for their lives and their heads are chopped off one by one. When it's her turn, the emperor asks her, "So? Are you incompetent or competent?" Erendira clearly answers, "Your Majesty! Would you like some pudding?"

薬学研究所の研究員・柊アンナは、ある日、蛇毒の研究中、蛇に咬まれて死亡。目が覚めたら、異世界大陸アウレリアンにあるオルガリア皇国の侯爵令嬢レティシアに転生していた！ 転生に戸惑うアンナだったが、異世界でも多くの人を救うため、ヒーラーになることを決意。魔法と持ち前の頭脳を活かし、民を救う活動を続けていたのだが、皇太子や騎士に見初められてしまい…！？

I possessed Villain Supporting Character 1, the one who was executed after saying something foolish to the female lead, who seemed close to the male lead. ‘Well, I’m just a villainous extra anyway. If I don’t play the role, who else will?’ With that in mind, I decided not to get involved with any of the characters in the original story. Thanks to that, the plot wrapped up safely. But then—the sub-male lead of the original work approached me. “Would you be interested in a contract marriage?” He waved a contract at me with a gentle smile. Two years later, before the short contract period ended, I asked him for a divorce — perhaps a bit earlier than expected. That’s when he started acting strange. “Madam… are you only after my body?” What nonsense is this? You’re the one who suggested a contract marriage. Weren’t we just business partners? “It was a contract marriage from the start. What are you…?” “Then why are you after my purity… my chastity?” Before I knew it, his eyes brimmed with tears. “P-Purity! No, even my Ye-jare* would be fine…!” “Did you hate spending the night with me, Julieta? I’ll try harder, so don’t throw me away,” he clung to me desperately. While watching tears stream down his face, I thought: 'At this rate, I’ll really end up having to take responsibility for him! No, Sub-Male Lead! You’re the one who said you didn’t have the confidence to love anyone!'

Sho Teruhi, a university student, is reborn as dragon knight Kakeru in a different world based on InfiniteWorld, his favorite game. He decides to live as an adventurer with his partner, Einaria, a firecracker dragon. However, a different development from the game awaits him!?

I’ve possessed a hidden character in a notorious strategy game with a 0% clear rate. To escape this game, I must bring peace to the empire… “So, from now on, I’ll trust only you, Priest.” “You’d better give up on that plan.” “Priest, did you really use me?” “For some reason, I feel something special from you, Priest.” “You promised you’d come back.” …Why is my favorability rising, and why does it feel like this is turning into a reverse harem? Excuse me, wasn’t this supposed to be a strategy game?

I became the favorite character. The problem is that 25 years have passed since the end of the original work! Even sword fights and heretics… This is very different from the possession stuff I knew!

Roana/Loanna was raised in neglect and isolation as an illegitimate child of the Count Louis family. She gets married off to Duke Bruggen, who orders her to keep quiet and out of the way. Free from all expectations or responsibilities, she decided to enjoy a leisurely life. She roams around the castle and on a walk, she found a familiar looking fruit in the garden. Using the knowledge from her previous life, and as a passionate barista in her past life, Roana/Loanna remembers exactly how to brew a perfect cup of Joe, she reproduced coffee to have a something to drink between her readings... The trouble is, no one in this realm seems to know what "coffee" is, nor its wonderful benefits. As a matter of fact, coffee fruits are regarded as "evil": "My brain is clearer than usual, full of energy, and new ideas keep coming to me." "What is this? Is it a drug? What's the name of this drink?" "...Thank you for letting me experience this." "I've never had this kind of bevarage before!" "It's very... very delicious." "...." But people from this the world loved coffee too much, and her husband who was supposed to be cold-hearted, act strangely now... Can Roana enjoy her coffee life properly?

His grades are average. His physical fitness is average. But when it comes to games, high school student Mikagami​ Kouji is a battle-worn veteran. After being summoned to another world by a magic circle, he's given only the Copy skill, which is derided as useless trash in this world. Enslaved as a gladiator by his summoner, Head Priestess Zayd, Mikagami is forced to fight in the horrible Battle Coliseum. Losing means getting raped. In this moment, as despair turns to hope, this is Mikagami's chance to grow!!

"This must be fate telling us we will never be apart!" I was so naive to think I'd be able to break up with her, even after death. As darkness fills her broken heart, my girlfriend turns into the Demon Lord…

“I’m the only daughter of Marquis Ian Horissen, right?” When I opened my eyes, I found myself inside a novel…not as the female lead, but as a supporting character. Who said only the main characters got a happy ending? I’ve decided to choose a new path and take the male lead for myself! In the original novel, it would take two and a half years for me to meet him, but I can’t wait that long. “Bring me a pen and some paper.” I’ll write a letter to him instead. There’s no time to waste—I’ll make sure the sweet and caring male lead is mine!

I got my favorite character (a handsome knight) in exchange for breaking off my engagement...? Sonia is a witch who has been reincarnated as the Last Boss of an anime. She knows that she will be defeated as an evil witch in the future. Wanting to leave the story, Sonia accepts to break off her engagement to the prince, which leads to her downfall. In return, she succeeds in acquiring her favorite knight, Ville, as her squire. Sonia hopes to live peacefully in her hometown with Ville, who had originally been her double, however, Ville hates witches and is always rebelling against her...? The "Last Boss Witch," defying her strange destiny, begins her heroic march! --- [Original Web Novel](https://ncode.syosetu.com/n1799dt/)

In her past life, Liefé, eldest daughter of a ducal house, was the feared dark sorceress Laurie—a villainess so powerful and feared that she lived in isolation. Reborn, she vowed to rewrite her fate: no more loneliness, no more fear. Surrounded by loving family and a devoted fiancé, her new life was finally on track… until her sweet-faced younger sister Aria stole her fiancé and drove her out of the house. Back to square one? Not quite. To reclaim her pride, Liefé crashes Aria’s engagement party—with the Crown Prince of a neighboring kingdom on her arm. It was supposed to be a one-time deal… so why is the prince now asking for her hand in marriage? A tale of revenge, rebirth, and unexpected romance begins—where a former villainess might just become a queen.

"I'll play the villainess in order to destroy my kingdom!" Princess Lilnette, who hates her homeland, plots to break off her engagement by being rude to the crown prince of a neighboring country...?

Cinderella is a fairy tale beloved the world over. The protagonist, Stella, has been reincarnated into this world as Cinderella's bullying step-sister, a villainous young lady. In order to avoid the tragic ending that is the conclusion of the fairy tale, she tries to become friends with Cinderella, but...!?

Adaline suddenly has her engagement broken off by the prince, who has fallen in love with the baroness. She is then murdered by someone and reborn as Cecilia, the daughter of the prince and princess! In order to take revenge on them, Cecilia is contractually betrothed to her brother-in-law from a previous life, who is called the "Ice Prince". The mystery-solving love romance between a cold, obsessive handsome man and a villainous daughter from a previous life is about to begin!

After being blown away by a truck, you wake up and find yourself reincarnated as a villainous young lady!? To change your terrible fate, you decide to quickly break off your engagement! (Source: ComicWalker, translated)

I was reincarnated as a result of a car accident and had transmigrated into an otome game as the villainess Alexandra, who was in the middle of her condemnation event. After freeing the prince from the heroine's charm magic and sending Alexandra's fiancé, the second prince, flying, I thought there would be a happy ending, but the world collapsed and I had to start over from childhood...? Alexandra, now five years old again, sets out to avoid her engagement to the second prince! Meanwhile, she meets the older, handsome, and competent crown prince on her way to avoid the engagement. An exhilarating romantic comedic fantasy!

Lelouché, a duke's daughter, was pushed down a flight of stairs by someone and was transported to another space. There, she meets a "god-like being" who tells her that her fiancé has been unfaithful to her and that she will die in 100 days. She knows that she can avoid the worst of it, but not escape death, and she begins to try her best to die beautifully in 100 days.