Rule 34 Dev - anal balls cutie_mark domination duo equid equine erection fan_character feral friendship_is_magic furry genitals hi_res horn lube male male/male male_domination male_penetrated male_penetrating male_penetrating_male mammal my_little_pony penetration penis raised_tail sex smile tears_of_pleasure triplesevens_(artist) unicorn|4226915496