In Rainbow's world, she has been together with Fluttershy for two months.

The day she learned Fluttershy is with Pinkie on the other side of the mirror is the day that world turned upside-down.

And she's going to look in all the wrong places trying to fix it.

There's a clean version, if you prefer! It's written quite differently. See here for more info.

Contains pony sex, human sex, masturbation, threesomes, foursomes, hoof and horn insertion, selfcest... I think that's about it.