Sometimes, ponies who have done horrible things ask that the world forget them, that their town would forget them, that maybe even just their pets would forget them. No amount of purity in their lives can ever live down that one event, and they all wish they could just go back to the start, to fix it, to make it so it had never occurred. But, regardless, it will still stay in their heads. In that respect, none of them can ever be truly free. They are always trapped in a cage of their own memories, and they can’t seem to get out.
Unless, of course, they destroy the cage.
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Cover art credit goes to Staple. Background of said Cover art goes to this person.