I'm a Martial Art Villainess, but I'm the Strongest! is a Manga/Manhwa/Manhua in english language, ladies series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Our main character was an unsuccessful romance fantasy novelist when she gets into a hit-and-run then wakes up as the villainess in a best-selling martial arts novel. She uses the information from the novel that she had analyzed in her original life, in order to avoid her death-ending and finding the truth behind what had really happened to her.