陸上女子

((masterpiece, best quality)), ((ultra detailed)),　from back, 1girl, solo, breasts, looking at viewer, blush, smile, ponytail hair, bangs, brown hair, navel, brown eyes, medium breasts, closed mouth, collarbone, beautiful ass, cowboy shot, midriff, blurry, blurry background, buruma, sports bra, (track uniform), track and field stadium,