Responses
I think i know what you're talking about but i can't remember the name
I also remember the name of the female lead is peony
This? But she’s more pinkish hair
https://www.mangago.zone/read-manga/i_saw_the_future_with_the_killer_grand_duke/
I remembered reading a mahwa where a Princess is sick and she like a Duke and the Duke dont like but Will like her in the end
The Only thing I remember is the Princess is blonde and the Duke have Black hair
The Princess have a Brother
She stayed on the Dukes Castle
The Duke bestfriend is the prince and some red haired girl