This Is Screwed Up, but I Was Reincarnated as a GIRL in Another World! (Manga) Vol. 2

CRANKY SEXY COOL Ren was once a scientistand a manin our world. Now shes a healthy young girl with magic powers and all the knowledge of chemistry and physics of a modern adult genius! Shes 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 its going to make life very complicated for Ren when a young man keeps sniffing around, hoping for a closer look