FURVERT!

anthro anthro_on_anthro balls bath butt comic cowgirl_position desert dialogue duo english_text equid equine erection from_front_position genitals greyscale hi_res horse humanoid_genitalia humanoid_penis intraspecies kissing long_penis male male/male male_on_bottom male_on_top mammal monochrome multiple_scenes muscular on_bottom on_top penis peritian sex slave straddling tail text thick_penis water