1girl, bare_shoulders, beach, between_legs, bikini, black_hair, blush, breasts, brown_eyes, feet_out_of_frame, full-face_blush, hand_between_legs, hand_on_floor, looking_at_viewer, matsunaga_kouyou, medium_breasts, medium_hair, navel, ocean, original, outdoors, purple_bikini, sand, side-tie_bikini_bottom, sitting, smile, solo, striped, striped_bikini, sunlight, swept_bangs, swimsuit, water_drop, waves, white_bikini, yokozuwari