1girl, arms_behind_back, blue_one-piece_swimsuit, blush, breasts, brown_eyes, brown_hair, closed_mouth, covered_navel, cowboy_shot, frown, grey_background, looking_to_the_side, maburu_(lojyq1eur3e8bit), one-piece_swimsuit, original, school_swimsuit, short_hair, simple_background, small_breasts, solo, standing, sweatdrop, swimsuit, thigh_gap