This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! manga volume 15 features story by Ashi and art by Keyaki Uchiuchi.

Ren is a young girl in a primitive world of magic and brutality. Sold as a slave and about to be delivered to an unscrupulous merchant, she suddenly awakens to vivid memories of a past life: a world called Earth, where Ren was both a grown man and a research scientist. Now, she must learn to survive, combining her knowledge of science from her past life with her talent in magic from this life. See how her Earth skills help her in this strange realm in this latest volume!