I Dont Really Get It but It Looks Like I Was Reincarnated in Another World

I am cute but I was a middleaged researcher in my previous lifeSurviving in another world with magic and sciencesThe orphan Ren was riding the carriage after being sold when she got involved into an accident and got her previous lifes memories backI was a middleaged manIndeed she was a researcher in his thirties in her previous life and had been living as an orphan girl up to nowRen will make use of her talents in magic and knowledge in science to survive in this harsh world in order to escape from the investor who bought her