I'm a Martial Art Villainess, but I'm the Strongest! Story
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.
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Q: Is this the official site for I'm a Martial Art Villainess, but I'm the Strongest!?
A: No, The entire site is fan-made.