Rule 34 Dev - 1boy 2018 animal_genitalia animal_penis anthro bench big_penis black_fur black_penis blue_hair chest_tuft digital_media_(artwork) equine equine_penis erection eyebrows fan_character fur green_eyes hair hi_res horn horsecock male male_only mammal medial_ring my_little_pony nude on_bench outside penis ralekarts solo tuft unicorn|3251444632