The older sister, who is said to have had her fiancé stolen by her younger sister, ended up marrying a gay duke. (※ This is my speculation.)

A beautiful Earl's daughter, Rene, who was initially pitied as "the poor older sister whose fiancé was stolen by her younger sister," gradually became the subject of baseless rumors such as "she was abandoned because of her bad personality" and "she tried to keep him through her body." Just as she was about to enjoy her single life anyway, for some reason a young Duke proposed to her, and one thing led to another, resulting in marriage. However, they never meet even once before the wedding. Furthermore, Rene hears the rumor that "the Duke has close aides whom he loves," and――.