Kekkon Aite ga Komyu Sawa Hakushakuda Nante Kiitemasen!

Chloe Browell, the eldest daughter of a count, is not on good terms with her step-mother, nor with her fiancé, Emile Coltrane. Then, at a masquerade ball, Chloe witnesses her step-sister Beatrice kissing Emile. As she sits on a bench and tries not to cry, a mysterious man wearing a white mask hands Chloe a handkerchief and then walks away.... A few...