FURVERT!

anal anal_penetration animal_genitalia animal_penis anthro anus anvil balls bdsm bedroom_eyes blacksmithing bodily_fluids bondage bound branded branding butt chastity_cage chastity_device collar cuckold cuff_(restraint)curvy_figure detailed_background duo equid equine equine_genitalia equine_penis eyelashes femboy fur genitals hammer hi_res horse hot_coals hourglass_figure hybrid key key_disposal looking_back male male/male mammal metal_collar narrowed_eyes night nipples offscreen_character penetration penis permanent_chastity_device puffy_anus restraints rope rope_bondage rope_suspension seductive serpenteats shackles shadow sky star starry_sky striped_body striped_fur stripes sweat sweaty_butt tools zebroid zonkey