1girl, arms_behind_back, bare_arms, bare_shoulders, blue_hair, blush, brown_eyes, casual_one-piece_swimsuit, collarbone, covered_navel, frilled_one-piece_swimsuit, frills, looking_away, one-piece_swimsuit, original, parted_lips, shibacha, simple_background, solo, swimsuit, twintails, white_background, white_one-piece_swimsuit