Rule 34 Dev - 1boy 2012 anthro anus ass balls blue_eyes blush bulge cutie_mark daniruu equine erection fluttershy_(mlp) friendship_is_magic genderswap_(ftm) girly hair horse long_hair long_tail male male_only masturbation my_little_pony panties pegasus penis pink_hair rule_63 skimpy smooth_skin solo trap uncut underwear wings yellow_body|1128835680