Rule 34 Dev - 2014 anthro anthrofied big_breasts black_and_white blush breasts cutie_mark embarrassed english_text equine female fingerless_gloves friendship_is_magic full-length_portrait gloves gym jrvanesbroek lying mammal monochrome my_little_pony navel nipples nude on_back pegasus pussy rainbow_dash_(mlp) sketch solo straight_hair sweat text thought_bubble weight weightlifting wings|1880141800