FURVERT!

1:1 anthro anus australian_shepherd blush blush_lines bodily_fluids canid canine canis clothing cum cum_in_ass cum_inside domestic_dog fallflys finn_(fallflys)genital_fluids genitals hands_behind_head herding_dog hi_res humanoid_genitalia jockstrap legs_up lying male mammal on_back pastoral_dog penis presenting sheepdog short_tail solo spread_legs spreading tail underwear