FURVERT!

abs ahundred anal animal_genitalia anthro balls big_penis building canid canine chair day detailed_background dominant duo english_text erection fox furniture genitals huge_penis hyper it'll_never_fit knot larger_dom larger_male male male/male male_penetrated male_penetrating male_penetrating_male mammal muscular penetration penis prodding ruin sex sheath size_difference sky smaller_male tail text tight_fit