FURVERT!

2012 3_toes abs against_surface against_wall alley animal_genitalia animal_penis anthro biceps black_body black_fur black_hair black_nose blue_eyes breasts brick brick_wall canid canine canine_genitalia canine_penis canis claws digitigrade domestic_cat duo erection eye_contact feet felid feline felis female fluffy fluffy_tail fur genitals green_eyes grey_body grey_fur hair knot lamp leg_markings looking_at_another male male/female mammal markings muscular nipples nude orange_body orange_fur orange_hair outside pecs penis pink_nose raised_tail red_body red_fur red_penis redrevolution smile socks_(marking)standing tail toe_claws toes wall_(structure)whiskers white_body white_fur wolf