What is Duchess Celestipaws to do? She's come to earth from the Pinkth Dimension, all in hopes of finding the next Magical Princess Sailor Girl, but all these humans look alike to her. Surely, that strong, strapping young human over there would make a perfect Sailor Girl! Never mind that she has a little stubble on her chin, or an Adam's apple, what is that human's name?
Oh good! Flash Sentry even sounds like a Sailor Girl name!

WARNING: Contains Crossdressing, the color pink, Comedy, the color pink, Equestria Girls, the color pink, Subconscious Sissy Dreams, the color pink, Flash Sentry, the color pink

Written as a commission for shortskirtsandexplosions, who has a very... precise and active imagination it seems. I got carried away.