1girl, bikini, bikini_skirt, blue_hair, blue_sky, blurry, blush, bokeh, border, breasts, cleavage, cloud, collarbone, depth_of_field, green_bikini, holding, holding_towel, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, karua_(karua23), leaning_forward, letterboxed, medium_hair, nanao_yuriko, navel, shorts, sky, smile, solo, swimsuit, thighs, towel, wet, white_border, white_towel, yellow_shorts