This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World!

This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! synopsis: "I may be adorable, but in my previous life, I was a middle-aged researcher. Now, I find myself in another world where magic and science coexist. An orphan named Ren, who had been sold and was traveling in a carriage, experiences an accident that triggers the return of her memories from her past life. To her shock, she realizes, 'I used to be a middle-aged man!' Indeed, in her previous life, she was a researcher in his thirties, and up to this point, she had been living as an orphaned girl. Ren decides to harness her magical talents and scientific knowledge to survive in this challenging realm and escape from the investor who purchased her." (Source: Mangamonster.net)