2014 abs anal anal_sex animal_genitalia animal_penis anthro anthrofied anus badgengar balls blue_feathers blue_fur blush breasts closed_eyes disembodied_penis duo equine equine_penis erection feathered_wings feathers female friendship_is_magic fur hair hi_res horsecock male male_penetrating mammal miketheuser multicolored_hair multicolored_tail my_little_pony nipples nude pegasus penetration penis pussy rainbow_dash_(mlp) rainbow_hair rainbow_tail sex simple_background solo_focus spread_legs spreading straight straight_hair vein white_background wings