I Don't Want to Become Crown Princess!!

I Don't Want to Become Crown Princess!! manga :

Japanese in her previous life, Lidi is a duke’s daughter in this life. Her fiancé is the Crown Prince, Freed, who is known for being flawless.<br>“No matter how beautiful he is, I absolutely don’t want to marry a polygynous royal!”<br>Troubled, Lidi came up with an outrageous plan for the sake of breaking off the engagement!<br>It’s a thrilling romance where schemes and fate cross!!