Can someone help me find this (webtoon?) about a woman knight who goes back in time and ta...

Flower with a sword?
more description would be helpful:)

I read this a couple years ago so I barely remember the details T–T. I think she died in a war, the ml has black hair sh has red hair but I did realize how many female knights have red hair LOL. THANK SO MUCH

I FOUND IT Reminiscence Adonis

I'm glad!