Rule 34 Dev - 2015 2boys animal_genitalia animated anthro balls barbs big_penis blue_skin boing bound brown_fur canine clenched_teeth cloaca dragon duo erection flaccid fur gay green_eyes green_penis green_tongue humanoid_penis imminent_rape instaboner interspecies jacketbear male male_only mammal muscles naughty_face nude penis plain_background rope scalie size_difference spiked_penis standing suspended_in_midair sweat sweatdrop teeth tongue tongue_out white_background wings yaoi 山藥人|1865417808