Rule 34 Dev - age_difference animal_genitalia animal_penis anthro anticipation anus athletic ballsack_outline big_dom_small_sub blush boxer_briefs cervine coach collar deer dripping duo english_text equine_penis fairwind feline furry heart horsecock humanoid_penis imminent_anal it'll_never_fit looking_at_penis male male_only maledom malesub mammal medial_ring naughty_face nipples nude on_lap pawpads penis penis_size_difference perineum poking_out precum reclining scared sitting_on_lap size_difference small_penis spread_legs spreading sweatdrop tag teal_eyes text tight_clothing topless underwear unsure vein veiny_penis yaoi young|2550684472