Haikaburihime wa Kekkonshita, Nao Ouji wa

Yae was born into a good family, but was treated like a servant. One day, in the town by chance, she met the scion of the conglomerate, Yorihisa. Yae, who is cold and beautiful, is sometimes attracted to him, and Yorihisa suddenly requests a marriage.
It was Yae who received it with pleasure, but Yorihisa, in fact…