Replying...
Intro. I'm cute, but I was a middle-aged researcher in my previous life?! Survive in another world with magic and science!! Orphaned Ren is riding a train after being sold, when he has an accident, and regains his memories of his previous life! "I am... a middle-aged man!" Indeed, she was a researcher in her thirties in her previous life, and had lived as an orphan girl until now! Ren will use his talent in magic and knowledge in science to survive in this harsh world to escape the investors who bought him! Ren, a ten year old orphan girl, is on her way to be delivered to a corrupt merchant. However, bandits attacked the carriage he was riding in and caused it to fall down the side of a cliff. But the impact of the accident awakens his memories from his past life. He comes from a world called Earth, and was once an old male researcher

Ren

@Bl3