FURVERT!

3:4 animal_genitalia animal_penis anthro bite biting_lip biting_own_lip bodily_fluids border_collie canid canine canine_genitalia canine_penis canis collie countershading cum domestic_dog erection genital_fluids genitals grey_body herding_dog hi_res knot leaking_cum male mammal navel pastoral_dog penis self_bite sheepdog simbaa simbaisawolf solo