FURVERT!

2014 animal_genitalia animal_penis anthro anus backsack balls bent_over biped blue_border bodily_fluids border canid canine canine_genitalia canine_penis collar cum erection fox genital_fluids genitals hair hi_res knot kwik_(artist)looking_back male mammal markings masturbation nude penile penile_masturbation penis presenting raised_tail red_hair red_markings solo tail