Rule 34 Dev - 2boys anal anal_sex animal_genitalia animal_penis anthro balls big_balls big_penis black_hair black_mane brown_fur clenched_teeth closed clothing duo equine equine_penis feline footwear fur furry furry_only hair horse horsecock huge_cock humanoid_penis ifus james_(poweron) large_insertion lynx male male_only mammal mane mottled_penis muscles muscular muscular_male no_humans penetration penis piledriver_position post_transformation poweron sex shoes stand_and_carry_position standing teeth torn_clothing transformation vein veiny_penis wardrobe_malfunction were werehorse yaoi|3269581352