1girl, armpits, ass_visible_through_thighs, backlighting, bare_shoulders, black_hair, blue_one-piece_swimsuit, blush, brown_eyes, casual_one-piece_swimsuit, ceiling, close-up, closed_mouth, collarbone, dress, from_below, full-face_blush, glowing, green_dress, legs, light_rays, looking_at_viewer, matsunaga_kouyou, one-piece_swimsuit, original, outstretched_arm, outstretched_leg, short_hair, sleeveless, sleeveless_dress, smile, solo, spread_legs, standing, swimsuit, swimsuit_under_clothes, upskirt