help

when the sute was dowb, i read a webtoon smwhere else, it was basically about this princess that was super pretty and was treated like just a pretty face but she didn't realise it, she made her brother emperor and he abandoned her i don't remember how she died but she gets reincarnated again and starts acting smart. she manipulated the situation so the kind would the authority of managing the maids to her from her brother, and his aid catches on. both her and her brother have blond hair, and the brother is younger than her