FURVERT!

abs after_sex anal anal_penetration anal_probe anthro balls bdsm biceps bodily_fluids bondage bondage_chair bondage_furniture bound brown_body brown_fur buckle chair collection_cup container cum cum_in_a_cup cum_in_container detailed_background dildo dildo_in_ass dildo_insertion duo electrode electrode_dildo electrode_in_ass electrode_on_pelvis electrode_pad electroejaculation electrostimulation equid equine erection front_view fur furniture genital_fluids genitals hi_res horse human immobilization laboratory male male_penetrated mammal medical muscular muscular_bottom muscular_male muscular_sub nipples nude object_in_ass open_mouth pecs penetration penile penis penis_milking probe restrained restraints sex_toy sex_toy_in_ass sex_toy_insertion sitting solo_focus straps submissive tongue tongue_out unknown_artist