1girl, o, barefoot, blue_theme, blush, feet, itano_chiharu, k-on!, knees_together_feet_apart, knees_up, legs, long_hair, looking_at_viewer, monochrome, nakano_azusa, off_shoulder, one-piece_swimsuit, school_swimsuit, simple_background, solo, spread_toes, swimsuit, toes, traditional_media, twintails, wet