If you're looking for manga similar to I'll Never Be Your Crown Princess!, you might like these titles.
The beautiful lady, Louise, has memories from her past lives. And there are 7 peoples' worth of lives (moreover the villain’s role). Louise, who has always met the bad end of getting stabbed to death, has decided that she will live this life peacefully. However, Louise has been assigned as Prince Emile's instructor! And so, she struggles with teaching the extremely shy prince who shuts himself up in his room. In her 8th reincarnated life, she will do anything for a happy ending!
At the very moment the Prince cancels their engagement, the Duke's daughter, Letícia Gramwell, recalls her former life as a culinary lover. Much as she hates being run out of her own country, the abandoned Crown Princess resolves to go to the kingdom next door, spending her days in the royal palace with the king, surrounded by fluffiness! But one day, after meeting and feeding a beautiful silver wolf, the King's attitude gradually started to change...
The crown prince, Cecil, excels in everything so his life is too easy. One day, when he gets engaged to the daughter of the marquis, Bertia, he's told something peculiar all of a sudden: "Prince Cecil! I am a villainess!!" As she says, according to memories from her previous life, they are in a dating game's world, and she is the villainess who breaks up a relationship between a heroine and Cecil. With her goal to become a great villainess and for her engagement to be broken off, Bertia start to cause one disturbance after another in Cecil's boring days?!
In her first life, she was a Japanese college student who was raised in a family that favored physical prowess. In her second life, she was reincarnated into another world as an orphan from the slums. She became hailed as the country's prophet, teaching several students who grew up to be some of the country's top elites. In her third and current life, she was reincarnated as a daughter of a noble family. Born with the beauty and wealth she hoped for, she had thought that this time she would be able to live freely collecting cute things and indulging in fashion, things she was unable to do in her first life as she feared that they did not fit her. However, she discovered that not only had she been reborn into the same country where only 10 years had passed, but her father was her apprentice and her mother was the one who ran her over and killed her in her second life...
Tsubaki is in the midst of the happiness of her life when she gets married to her childhood friend. However, something suspicious suddenly appeared at the wedding... and when she woke up, she was a baby! It seems that she has been reborn in another world as Millie, the youngest daughter of a duke, with memories of her previous life. She recalls the cause of Tsubaki's death, but has no idea what it was. She is determined to enjoy her new life to the fullest, but to her surprise, she has six unique and beautiful older brothers...! Millie is doted upon by her gorgeous family and her days seem to be peaceful, but an unexpectedly hard fate awaits her...?
Thanks to the black cat Gi with his magical powers, Midori has been reincarnated to a Princess Esmeralda in a parallel universe... but in the middle of her life! For some reason, the maids seem terrified of her and her fiance?, King Cyril, seems to hate her. Feeling sorry for Midori, Gi gives her the ability to morph into a cat... but the moment she became a cat, Cyril did a total 180! He's so loving and affectionate to cat Midori, but he can't hide his disdain for human Midori/Esmeralda. Now she has no choice but to do the best she can with what she's got! As he sees Midori put her all into everything, something changes in Cyril, too...
Princess Alicia doesn't want to be married off in an arranged marriage, so she agrees to an impossible wager with her mother: Enter an all-boys school as a "boy" and find real love among a number of approved candidates. What she doesn't plan on is falling in love with handsome Lucius, a non-approved guy who figures out her secret! Oh, and she realizes she's a reincarnation of a romance-novel-loving girl who is living in one of her favorite stories! Find out what happens next in this comical love fantasy!
I was born weak and passed away at the age of 18 due to illness. Before I died, I made a wish to be born again. It came true, but I was born blind. Little by little, I came to know the gaps between the previous world and present one thanks to my fiance. This is the story of the Duke’s only daughter.
In exchange for God saving her younger sister’s life, Lefina is reborn in another world as a villainess. After giving a brilliant performance as the despised duchess, and ensuring that the heroine and Crown Prince are engaged, Lefina quit being a noble. Now, she works as a castle maid! What awaits her is a carefree lifestyle where she can eat delicious Japanese commoner food! She enjoys her new life while using her special skill that allows her to master anything with just one glance. Lefina enjoys the life of a commoner, and soon her reputation among those around her begins to change......? The happy commoner life of the former villainess begins here!
Kaoru Mochimizu, a 30-year-old female research scientist who studied the three-dimensional structure of everything. However, one day, she died in an earthquake and met a goddess. Having covered for her kouhai during the earthquake, she was allowed to reincarnate in another world with two skills. Kaoru Mochimizu is now Charlotte Elbaran, the eldest daughter of a Duke in the Kingdom of Elida, on Planet Garland. With memories of her past life, and taking advantage of the skills "Structural Analysis" and "Structural Editing", she will live a good life.