1girl, blue_buruma, blue_sports_bra, blush, bottle, breasts, brown_eyes, brown_hair, buruma, cleavage, knee_up, large_breasts, long_hair, looking_at_viewer, nagayama_yuunon, original, outdoors, ribbon, sitting, smile, solo, sports_bikini, sports_bra, thighs, track_uniform, twintails, water_bottle