FURVERT!

3_heads anal anal_penetration animal_genitalia animal_penis anthro anthro_on_feral anthro_penetrating anthro_penetrating_feral balls bestiality big_penis breath canid canine_genitalia canine_penis dragon dreamworks duo erection european_mythology feral feral_penetrated fury_(httyd)genitals hi_res how_to_train_your_dragon huge_penis interspecies knot knotted_penis larger_penetrated leash leash_pull lexi_collins looking_back lying male male/male male_on_feral male_penetrated male_penetrating male_penetrating_male mammal multi_head muscular muscular_male mythological_creature mythological_scalie mythology night_fury on_front outside outside_sex panting penetration penile penile_penetration penis scales scalie sex size_difference tail tail_grab tongue tongue_out toothless western_dragon