1girl :3 arms_at_sides bangs black_hair blush breasts brown_eyes closed_mouth collarbone commentary day highres long_hair looking_at_viewer oikawa_nazuna one-piece_swimsuit pool qnakamura school_swimsuit sidelocks small_breasts smile solo swimsuit tsurime uchiage_hanabi_shita_kara_miru_ka?_yoko_kara_miru_ka? wet wet_hair