Help me pls

I forgot if it's a manhwa or a manga but I think it's romance(?) with the femc being really strong, like very op, she basically punches people left and right. Her family is also quite the muscle brain and I remember she has a hair piece(tiara??) that was given to her as a weapon, basically. Pls help I try looking through strong femc stuff but a lot of them are just mentally strong mc and not physically strong mc that I'm searching for