"Why? Obviously, I married a lovely girl, but I have to share my bed with my cold father-in-law?!" A story of a straight idiot dentist and his arrogant president father-in-law! The life of them is full of accidents. And it seems not to be just a supernatural transformation. There are even more unknown secrets of the past... "Perhaps our story had begun earlier than we thought." (Source: Webnovel)

[Original Webtoon](https://jp.piccoma.com/web/product/175531) The Cardia family, a marquisate on the borders of the Kingdom of Shazar, possesses the power to control people’s hearts. Tiana Cardia, the eldest daughter, has been married to the young king of the neighboring Kingdom of Taratta, Lufred, for three years, living a happy life. However, her peaceful days are abruptly shattered. Lufred’s mistress, the Duke’s daughter Elsa, becomes pregnant. On top of that, Tiana is accused of being a spy, and she and her father are executed for a crime they did not commit. Just before her death, Tiana learns the cruel truth when Lufred reveals to her, “I orchestrated everything. Watching you blindly trust my every word was just too amusing!” “Did everything we shared mean nothing? Was it all a lie? Unforgivable…” The next moment, Tiana wakes up to find herself lying in a crib. Before her stands Elsa, staring at her coldly, and Lufred, who declares heartlessly, “If it’s a girl, we don’t need her. Burn her alive right here and now.” Tiana also sees her younger sister Layla, brainwashed and treated like a slave by Lufred and Elsa. Realizing she has been reincarnated as the child of Elsa and Lufred—their first princess—Tiana resolves to exact her revenge on the two of them. https://www.cmoa.jp/title/339224/

Marie was born into one of the two great Saint lineages. She endured an upbringing that was nearly abusive in order to hone her healing powers. However, the one chosen as the Saint was Julia, who had gained the people’s support thanks to her beauty. In despair, Marie is assigned the position of Saint’s assistant. But Julia barely fulfills her duties as Saint and forces onto Marie all kinds of tasks far beyond what an assistant should handle. In the midst of this painful situation, the one who reaches out to her is Cecil, the second prince, who has just returned to the kingdom after studying abroad. “From now on, I’ll be the one to protect you.” Even though they had almost no connection before, Cecil treats Marie with a surprising amount of care—so much so that she begins to wonder if he might actually be doting on her. Even though she wasn’t chosen as the Saint, Marie’s life slowly begins to shine…

Original Webtoon https://mechacomic.jp/books/189712 Kei, a typical high school boy, finds himself reincarnated into the world of an otome game he once played at his sister's request! However, he has inexplicably become Kate, a background character. Despite being a minor character, the handsome main characters approach Kate as if she were the heroine! Initially, Kate is determined to conquer the game, but she realizes that completing the game means marrying one of the male characters. To avoid the marriage route at all costs, Kate decides to support the romances between the main characters and the villainess. However, the story starts to veer off from the original game plot... With the help of her childhood friend Edgar, who is also a background character but too handsome to ignore, Kate navigates this unexpected turn of events!

Sara, the baron's eldest daughter, is ostracized by the nobles and even by her own family because of the scars on her body. Because of this, in order to pay off her family's debts, she is forced to get engaged to a commoner whose face she has never even seen before. That being said, although the man in question is a commoner, the truth is that, because of the import-export trade, he is very wealthy. The problem is that, even during the six years of their engagement, he never went to see Sara once. Determined not to marry a man who, at least in her mind, only saw her as a kind of plaything, Sara decided to break the engagement and become a nun... but on the day of her graduation, Ludovic, the fiancé who had never contacted her, suddenly showed up to meet her and, even when she proposed breaking the engagement, against her expectations, he...! "He spent six years without meeting me once... Why did he decide to be kind just now?" - And so begins the story between the mysterious handsome and wealthy man X the eldest daughter "sold" to pay off her family's debt. **Original Webtoon:** [CMOA](https://www.cmoa.jp/title/294525/), [Mecha Comic](https://mechacomic.jp/books/186469)

https://www.cmoa.jp/title/342049/