Somewhere in some world, some country, some time... The ever-accumulating history and the "traditions" that arise from it live in people's lives. Will they comply or resist? Will they overcome or destroy? Will they be beautiful or ugly? Will they love or hate? Now, a journey to find the answers begins. A promising young writer depicts, in a series of short stories, the story of our modest yet certain revolution as we live with "tradition." (Source: Kadokawa, translated)

"I think she should be a little taller." "I prefer a more vibrant face." "I like her a little more voluptuous." Because you said that, I did my best to live up to your expectations. But it was no use. That's because you like my older sister. I can't become her. After overhearing a conversation between the two lovers, I went to ask for the engagement to be called off. Without knowing what the outcome would be... https://www.cmoa.jp/title/336748/

The moment her engagement was broken off, Countess Shirley Lila Fontaine's memories of her past life returned to her. After being dumped by her fiancé for being overweight, who said "I have no intention of marrying a pig," Shirley is reborn as a beautiful young woman, making full use of the knowledge from her past life as a beautiful culinary researcher. From that point on, her fate begins to change drastically, and she ends up serving the castle as a maid to the first princess, Adele, but...!? Source: MU

Adriana is reincarnated as the villainess of an otome game. After having her engagement to the crown prince annulled, she is falsely accused and condemned—then confined to a remote frontier. But that much was expected. Fully prepared, Adriana turns everything to her advantage! Though exiled to the frontier, she begins a carefree second life in a comfortable detached palace, lacking for nothing. Using her memories from her previous life and her quick wit, she tackles land reforms and solves local problems, earning the love and trust of the people. However, as the crown prince finds himself politically cornered, he comes chasing after Adriana—this time, intending to make her his concubine…!? https://mechacomic.jp/books/245399

Countess Aurelia has been living in silence with her husband, Leclerc, whom she married at the age of 18, for two years. She has adored him ever since she first saw his portrait, but she discovers that Leclerc has a former lover with whom he broke up due to opposition from those around them. Troubled, Aurelia confides in a suspicious fortune teller she happens upon, and is given a mysterious ring... A three-month story depicting how two people who keep missing each other end up becoming a real married couple! (Source: Takeshobo, translated)

https://www.cmoa.jp/title/334329/