1girl, ass, bare_legs, barefoot, blue_eyes, blue_hair, blue_swimsuit, blush, breasts, closed_mouth, competition_school_swimsuit, day, embarrassed, from_behind, glaring, hugging_own_legs, large_breasts, looking_at_viewer, looking_back, one-piece_swimsuit, outdoors, poolside, sideboob, sitting, swimsuit, two_side_up, wavy_mouth