Hitogirai kōshaku-sama ga shonichi kara dekiai shite kuru nodesuga, totsukitōka tattara watashi wa koko o dete yuku yoteidesu. (Associated Names)

Just as the marriage between her sister Margaret and the Duke has been arranged, Daisy is shocked to learn that her sister has unexpectedly become pregnant before the betrothal ceremony. To fulfill her sister’s wish, Daisy is ordered by her parents to pretend to be her sister and marry into the Duke’s family for 9…