Mushoku Tensei: Jobless Reincarnation, the sprawling isekai hit about a 34-year-old otaku reborn into a fantasy world, primarily follows the hero Rudeus Grayrat from infancy to adulthood. But this new world is filled with people who share his new life, including Roxy, the woman who trains him in the magical arts. How did Roxy become such a powerful magician on her own? Delve into Roxy's early adventures in this backstory manga!