FURVERT!

all_fours anal anal_penetration anthro anus areola athletic athletic_anthro athletic_male balls biceps butt canid canine canis digital_media_(artwork)dipstick_tail dobermann doggystyle domestic_dog elfein erection fox fox_mccloud from_behind_position fur furniture genitals glans group hair half-erect holding_tail humanoid_genitalia humanoid_penis imminent_gangbang male male/male male_penetrated male_penetrating male_penetrating_male mammal markings nintendo nipples nude open_mouth pecs penetration penile penile_penetration penis penis_in_ass pillow pinscher sex sofa sofa_sex star_fox tail tail_grab tail_markings vein veiny_penis voyeur