A changeling, thrown into the world of humans, has to survive. He finds himself unable to take the shape of any of them, and only finds disgust, hatred, or other vile words to 'comfort' him, until a lucky encounter shows him differently.
(I decided just to swap out the 'General audience' with Teen because of various topics I would probably never want to talk to a kid about. It is neither NSFW, nor gore-related)