1girl, arms_up, beach, braid, breasts, cloud, covered_navel, frilled_one-piece_swimsuit, frilled_swimsuit, frills, gainoob, hair_between_eyes, hood, hoodie, innertube, kanojo_okarishimasu, medium_hair, one-piece_swimsuit, open_clothes, open_hoodie, outdoors, pink_eyes, pink_one-piece_swimsuit, red_hair, sakurasawa_sumi, side_braid, single_braid, small_breasts, solo, swimsuit, thick_eyebrows, thigh_strap