메리지 B ~회귀한 영애는 가문의 원수와 결혼한다~

あらすじ

Goyoh Rubiet did everything in her power to avoid an arranged marriage with the power-hungry Marquess Anthe Betelgeuse. Instead, Goyoh's sister is forced to marry him, but it's not long before Goyoh learns that her sister has been murdered by the marquess. Soon after, as she's struggling with guilt, Goyoh wakes up as a past version of herself. This time around, Goyoh is determined to accept her arranged marriage to save her sister. But is there any way she can avoid meeting the same grisly fate?