FURVERT!

2010 abdominal_bulge all_fours anal anal_knotting anal_penetration anthro ass_to_ass balls blush bodily_fluids canid canine canis claws cum cum_in_ass cum_inside digital_media_(artwork)duo erection eyes_closed fox genital_fluids genitals inside internal knot knotting lying male male/male mammal mutual_anal mutual_anal_knotting mutual_anal_penetration mutual_knotting mutual_penetration mutual_penile mutual_penile_penetration mutual_penis_in_ass november nude on_back on_front orgasm ouroboros_position penetration penile penile_penetration penis penis_in_ass redrusker scarf sex tail unusual_position vein veiny_knot veiny_penis wolf