1girl, /, bare_arms, bare_shoulders, blue_hair, blue_one-piece_swimsuit, breasts, brown_eyes, closed_mouth, collarbone, competition_school_swimsuit, grey_background, hair_tie, hands_up, holding, holding_hair, long_hair, looking_at_viewer, one-piece_swimsuit, original, school_swimsuit, shibacha, simple_background, small_breasts, solo, swimsuit, twintails, upper_body