Xenovia Miyamoto, ancestor of the great samurai Miyamoto Musashi, had been trapped in a petrified state for 3689 years, until a man named Tsukasa revived her. Xenovia then teams up with Tsukasa, they begin to fall for each other when she finds out the truth about the kingdom of science and that...Tsukasa was the bad guy. Xenovia then flees from the Empire of Might and seeks the kingdom of science but when she meets Senku and finds herself trapped in side of a love triangle. --- Disclaimer: I don't own Dr Stone or the images used in the book :)