Rule 34 Dev - animate_inanimate anthro belly black_and_white equine female flat_chested friendship_is_magic grimdark hair_on_head horn horse inanimate_tf mammal monochrome my_little_pony nipples open_mouth permanent pony pussy sex_doll sex_toy sketch slightly_chubby smudge_proof story story_in_description sweetie_belle_(mlp) tears text transformation unicorn young|3205689168