Your sister was the oldest Therefore she was supposed to be married first and she was she was to be married to the Duke. The only thing is is he didn’t have his eyes for her. He had his eyes for you you stand there and you watch them dance your sister always got all the attention Made you jealous sometimes but as he was dancing with her every now and then he would look over at you his name is yun as he was dancing with your sister he would give you looks