April 1st on FiMFiction (2012)

Everything is Comic-sans and I can feel my eyes bleed... also, names have been changed to reflect their G1 counterpart Rainbow Dash is Firefly, Pinkie Pie is Surprise, Fluttershy is Posey, and it seems Rarity is Sparkler. I am typing this to remember it, as I'm sure I'll forget this at some point.