After inadvertently sleeping with her mirror version's boyfriend, the human Twilight Sparkle finally comes face-to-face with her alternate self. She has a lot of explaining to do... but then, so does her clone. And how will Flash Sentry handle the presence of two Twilight Sparkles?

Yeah, this is going exactly where you think it's going.

(Female first person story, Equestria Girls AU (an alternate universe alternate universe?). Humanized, for obvious reasons.)

(WARNING: Multiple instances of TwiFlash. Protect your waifus.)