FURVERT!

1:1 all_fours anal anal_penetration anthro anus balls big_balls big_penis bodily_fluids butt cum cum_in_ass cum_inflation cum_inside dominant drooling duo ear_piercing ejaculation equid equine erection excessive_cum excessive_genital_fluids eyes_closed eyewear facial_piercing feet fingernails genital_fluids genitals goggles grabbing_sheets hi_res horse inflation larger_dom male male/male mammal membrane_(anatomy)monochrome musclegut muscular mustelid nails nipple_piercing nipples nose_piercing open_mouth orgasm_face otter pandottermon penetration penile penile_penetration penis penis_in_ass perineum piercing puckered_anus puffy_anus raised_tail saliva size_difference tail teeth toes tongue vein veiny_penis webbed_feet