Manga by author Han Jin-Seo

I died miserably, on the day I found out the truth. The truth, that my fiance had a hidden lover and it was my very own cousin.On the second morning, after my 20th birthday, a miracle happened. From that point on, I decided not to believe in love anymore.I want to have a relationship with no strings attached and without any superficial feelings such as love."Duchess Agenstein, will you marry me?"This proposal was nothing more than a marriage to keep up appearances and without love involved.