FURVERT!

abs animal_genitalia animal_penis anthro anus armpit_hair athletic backsack balls bed biceps big_penis biped body_hair canid canine canine_genitalia canine_penis dasa demon ear_piercing empty_eyes erection feet flexing fur furniture genitals hands_behind_head hooves horn knot lying male mammal muscular muscular_anthro muscular_male narse nipples nude on_back on_bed pecs penis piercing pose presenting sheath sketch solo spread_legs spreading tail therion underhoof vein white_eyes