This story is a sequel to My Life as a Bipedal Quadruped
The number of instances involving magic in a world where supposedly no creature can control magic is becoming a little concerning for the princesses of Equestria. Their mare in the world of humans, Sunset Shimmer, is reporting more and more strange phenomenons, so they send the best suited filly for the job, the once-human Gabrielle Eleanor Desrochers, and her bodyguard, Studded Armor, to investigate.