Rule 34 Dev - 2014 abstract_background amber_eyes anal anal_penetration animated anus black_penis blue_fur blush closed_eyes cutie_mark duo equine erection female feral friendship_is_magic from_behind fur furry futanari gif green_fur hair half-closed_eyes horse horsecock lightning_dust lying multicolored_hair my_little_pony on_front open_mouth pegasus penetration penis pony pussy rainbow_dash rainbow_hair sex sleufoot testicles tongue tongue_out two_tone_hair vivofortissimo wings|372834