1girl, :d, ass, black_hair, breasts, brown_eyes, buruma, day, dust, from_behind, gym_uniform, headband, kneepits, large_breasts, leg_lift, legs, looking_at_viewer, looking_back, name_tag, open_mouth, outdoors, red_buruma, relay_baton, running, shoes, short_hair, sky, smile, sneakers, socks, solo, speed_lines