Kouri no Houseki Reijou to Shinbigan no Ouji

The main character is a working-class office worker who is feared and called the "Queen of Ice". In reality, however, she is a high-spec, clumsy girl who is not very good at expressing her emotions. By chance, she is reborn in the world of an Otome game. She finds herself as Mary, the villainous daughter of a jewelry merchant, who is in a very similar situation to herself. Then, Lewis, a prince from a neighboring country, comes to visit her to request an appraisal...