1girl, bikini, breasts, brown_hair, cat_innertube, cleavage, collarbone, drinking_straw, food, frilled_bikini, frills, front-tie_bikini_top, front-tie_top, glasses, hano_haruka, heart, heart-shaped_eyewear, innertube, large_breasts, long_hair, pool, poolside, popsicle, red_eyes, siscon_ani_to_brocon_imouto_ga_shoujiki_ni_nattara, swimsuit, tongue, tongue_out, uta_(siscon_ani_to_brocon_imouto_ga_shoujiki_ni_nattara_)