1boy, 1girl, aqua_eyes, aqua_hair, bad_pixiv_id, beach_chair, bikini, breasts, drinking, drinking_straw, elchi_cargo, fatman_big, hair_ornament, hairclip, kneehighs, long_hair, navel, outdoors, pointing, sentou_mecha_xabungle, sitting, sketch, small_breasts, socks, sunlight, swimsuit, umbrella, umeno_ryuuji, white_bikini, wristband