1girl, armpit_crease, armpits, asakura_nuruma, bikini, bikini_top_only, black_hair, blue_eyes, blush, breasts, cleavage, cloud, front-tie_bikini_top, front-tie_top, long_hair, looking_at_viewer, medium_breasts, navel, outdoors, red_bikini, sakurajima_mai, seishun_buta_yarou, smile, solo, swimsuit, untying, water