FURVERT!

abdominal_bulge anal animal_dildo animal_sex_toy anthro anus bdsm bodily_fluids bondage bound bovid breasts caprine dildo double_penetration duo ejaculation electrode electronics equine_dildo female fucking_machine genital_fluids genitals goat horn laboratory machine mammal monitor nipples orgasm penetration piercing ruanshi saliva scientific_experiment sex_toy straps test_subject vaginal vaginal_fluids vaginal_squirting virtual_reality vulva