Rule 34 Dev - 2020 animal_genitalia animal_penis anus ass balls dock equid equine equine_penis erection fan_character feral genitals green_eyes hair hasbro horn looking_at_viewer lying male mammal mottled mottled_genitalia mottled_penis my_little_pony on_back penis presenting presenting_anus presenting_hindquarters presenting_penis smile snowberry solo spread_legs spreading striped_body striped_hair stripes underhoof unicorn zebra|4852019624