Responses
I've only read the first ch back in the day so I'm not sure but maybe
The Redemption of Earl Nottingham?
https://www.mangago.me/read-manga/the_redemption_of_earl_nottingham/
YES IT WAS THIS ONE THANK YOU
It is a manwha that is historical and set pre world war 1, mc is a blonde woman and ml is a man with black hair a big scar and he uses a cane due to a injury at war.
I remember her turning the manor into a makeshift hospital and she works as a nurse.
Please help a girl find it, heard it just finished but it got deleted from my list during the great wipe