FURVERT!

4_toes anthro anus balls barefoot biped butt canid canine claws erection essien facial_piercing fangs feet foot_focus fox fur genitals green_eyes hair humanoid_genitalia humanoid_penis looking_at_viewer looking_up lying male mammal masturbation mrfoxees on_back on_ground one_eye_closed open_mouth pecs penile penile_masturbation penis piercing presenting presenting_anus presenting_hindquarters raised_leg sharp_teeth smile soles solo spread_legs spreading teeth thick_penis toe_claws toes tongue upside_down