Ren

“It's cute, but the previous life was an old man researcher!? Survival in another world with magic and science!!” Ren, an orphan girl, encounters an accident while being trafficked, and the shock regains her memory of her previous life! "I was an old man!!" Yes, Ren's previous life was a researcher in his thirties who died in an accident, reincarnated as an orphan girl, and lived until now! In order to escape from the merchants, she will survive the harsh different world by himself, making full use of his magical talent and the scientific knowledge of the previous life.