FURVERT!

2011 4_toes all_fours anthro anus backsack balls bed bedroom bedroom_eyes black_nose butt canid canine canis claws detailed_anus detailed_background ear_piercing erection feet fur furniture genitals grey_body grey_fur half-closed_eyes hi_res hindpaw holding_penis humanoid_genitalia humanoid_penis inside looking_at_viewer looking_back male mammal masturbation moon narrowed_eyes night nude on_bed pawpads paws penile penile_masturbation penis piercing plantigrade presenting presenting_hindquarters raised_tail rajii red_eyes seductive smile soles solo star tail toes window wolf