This story is about a man who dedicated his life to solving mankind problems with his research. But his research is taken and the world gets taken and is turd into tools of war and the world in a giant war the world is ruined. And he gets tortured to death by the same bastard that took his research and turned it in to weapons and is now blaming him for it. And that should have been the end but he gets reincarnated. Follow Kyna and her new life while she makes new friends and allies, fights monsters and defeats evil people and with her science skills and magic to eventually better the world and probably conquer it on the way. Do not forget in the wrong hands knowledge can bring great harm but in the right hands it can bring a Golden Age