FURVERT!

animal_genitalia animal_penis anthro anus ass_out ass_up blush blush_lines butt butt_heart equid equine equine_genitalia equine_penis erection genitals heart_(marking)heart_symbol hi_res hooves horizontal_pupils horse kieran_the_horse kinkykaida looking_at_viewer looking_back looking_back_at_viewer male mammal markings monochrome penis perineum pony presenting presenting_anus presenting_hindquarters presenting_penis pupils shaded_sketch sketch solo spread_butt spread_legs spreading submissive submissive_male surprised unfinished