This Is Screwed up but I Was Reincarnated as a GIRL in Another World! manga volume 1 features story by Ashi and art by Uchiuchi.

Ren, a young orphan girl, has been sold off to a merchant with sinister plans for her. Suddenly, memories of her past life on a world called Earth come flooding back, and Ren remembers that she used to be a research scientist–and a grown man! As Ren escapes into the Dark Forest, magical powers awaken within her. In order to survive the harsh realities of this world, she must use her rekindled knowledge of Earth’s science as well as her newfound powers! Will her magical cheat powers and past-life knowledge be enough to keep her freedom, or is she doomed to a life of servitude?

This Is Screwed up but I Was Reincarnated as a GIRL in Another World! manga volume 2 features story by Ashi and art by Uchiuchi.

Ren was once a scientist—and a man—in our world. Now she’s a healthy young girl with magic powers and all the knowledge of chemistry and physics of a modern adult genius! She’s tamed a mother wolf and pup, and is living out her days in cheerful isolation when some strangers knock on her door, demanding help with a deadly plague! The answer is a simple one, but it’s going to make life very complicated for Ren when a young man keeps sniffing around, hoping for a closer look…

This Is Screwed up but I Was Reincarnated as a GIRL in Another World! manga volume 3 features story by Ashi and art by Uchiuchi.

Ren decides to take a break from her life as a hermit with nothing to explore but herself, and heads off to the big city. When she lands in the lap of luxury, she cannot help but use her cheat powers at the guild and in the hotel she’s staying in. But being the new girl in town is never easy, especially when you have the mind of a middle-aged Japanese scientist trapped in a magically bodacious bod! When technology meets magic meets sex, the results are explosive!

This Is Screwed up but I Was Reincarnated as a GIRL in Another World! manga volume 4 features story by Ashi and art by Uchiuchi.

Ren is thriving in another world, thanks both to her broken magic skills and the scientific knowledge from her past life as a middle-aged scientist. She’s completing quests, perfecting her cooking skills, and getting very close to a pair of gorgeous sisters! But when she unwillingly reunites with Neil, who knows nothing of Ren’s prior existence as a cranky old man, life suddenly gets very difficult. To escape, Ren sets off on a journey, which may well become the most challenging quest the new world has to offer!