Why Are You Doing This, My Duke!?

Erin, the illegitimate child of the count, just before becoming a traitor and sacrificing on behalf of her fugitive family, she encounters a 'Reaper' who has come to take her life!'Please save me! I want to do all kinds of things like this!' At the age of a flower, I've never tried on a pretty dress. For her, whose only wish was to live with love and courtship, like a miracle, a magic circle for her was activated and said, "Lady, my Please forgive my rudeness.” “Sir!” “Marry me, lord of my soul.” Come to your senses, 'Reaper' Duke Roan Perka is courting her? A sweet and bloody romance fantasy of a duchess who struggles to survive between 'what the hell is this?' and 'two husbands (?)'!