5:4 ambiguous/ambiguous ambiguous_gender anthro anus bestiality big_anus big_butt big_tail butt dragon dreamworks duo eating facesitting feces feral fish forced hi_res how_to_train_your_dragon huge_butt hyper hyper_anus hyper_butt hyper_feces living_insertion marine night_fury obese overeating overweight pooping presenting presenting_anus presenting_hindquarters puffy_anus raised_tail rape rikuaoshi scalie scat simple_background sitting tacet_the_terror thick_thighs toothless torture vore western_dragon windragon wings