Ren, an orphan girl, was sold and riding in a carriage when she suddenly got involved in an accident. Miraculously, she regained the memories of her previous life as a middle-aged man and a researcher. Determined to escape from the investor who bought her, Ren decides to use her talents in magic and knowledge of science to survive in this harsh world. With her newfound abilities, she navigates through dangerous situations and seeks a way to freedom. Will Ren be able to outsmart her captor and create a new life for herself? Find out in this captivating manhwa hentai.
