When Fluttershy went to bed she didn't really expect to wake up in a dumpster.
She definitely didn't expect to wake up in a dumpster in a world inhabited by hairless monkeys who seem insistent that she's a dog.

((Not sure how dark this should be considered but it does contain instances of what can only be described as Fluttershy abuse. Tagged mature because there may be mature references and naughty things may be implied.))