1girl, black_hair, black_one-piece_swimsuit, blue_sky, blunt_bangs, blush, brown_eyes, closed_mouth, clothes_pull, cloud, day, from_behind, from_below, long_hair, looking_at_viewer, matsunaga_kouyou, one-piece_swimsuit, original, see-through, see-through_shirt, shirt, shirt_pull, short_sleeves, sky, solo, sunlight, swimsuit, t-shirt, white_shirt