FURVERT!

abdominal_bulge alex_(syn-6)animal_genitalia animal_penis animal_vulva anus balls bodily_fluids border_collie canid canine canine_genitalia canine_penis canine_vulva canis clothed clothed_feral clothing collie dickies domestic_dog duo erection feet female female_feral female_on_top female_penetrated feral feral_on_bottom feral_on_feral feral_on_top feral_penetrated feral_penetrating feral_penetrating_feral fluffy_balls genital_fluids genitals hat headgear headwear heart_symbol herding_dog hi_res imminent_impregnation imminent_orgasm knot knot_root knotted_penis knotting large_penetration looking_pleasured lying male male/female male_feral male_penetrating male_penetrating_female mammal on_back on_bottom on_top pastoral_dog paws penetration penile penile_penetration penis perineum reverse_cowgirl_position sex sheath sheepdog size_difference smaller_female smaller_penetrated spread_legs spread_toes spreading stretched_vagina syn-6 tail_anus thought_bubble toes top_hole vaginal vaginal_fluids vaginal_knotting vaginal_penetration vulva wolf