Felik was born into a rice farming family in a world where rice tastes bad. On his eighth birthday, he was given the skill \[Breeding - Rice\] and remembered his past life when he loved rice. Although those around him laugh at him for using the skill, the dishes he makes with the delicious rice he has improved, such as porridge, rice balls, unique burnt rice sandwiches, and rice pizza, are a big hit with the people of the other world! A former Japanese man begins rice reform with a divine beast who has become his rice friend! (Source: Kadokawa, translated)

Meltia is reincarnated into the world of an otome game she never finished playing in her previous life. In the game, she is a villainess who bullies her stepbrother Roy, lives a life of debauchery, and ultimately meets a brutal death at his hands. She wants to escape this environment—but if she disappears, Roy will instead be abused by those around him and eventually killed. And besides, Roy was her favorite character in her past life. More than anything, she can’t bear to let an innocent child be driven into misery. So Meltia makes a decision: she will play the role of the cruel villainess, shielding Roy by becoming the sole target of hatred, ensuring he suffers no worse treatment. But as she does, Roy’s attitude toward Meltia begins to change… A hard-mode, reverse doting fantasy where cruelty turns into love—now finally adapted into a comic! https://www.alphapolis.co.jp/manga/official/847000614

The youngest princess, Madelaine, has been mistreated since childhood. One day, her half-brother—the crown prince—orders her to marry Alan Noshutat, the infamous “upstart viscount.” It is a loveless political marriage: the royal family wants his wealth, and the viscount’s house seeks... https://www.cmoa.jp/title/286763/