1girl 30-06 bad_id bad_pixiv_id bare_shoulders barefoot black_hair black_one-piece_swimsuit commentary_request competition_school_swimsuit gradient_background hairband kantai_collection long_hair looking_at_viewer multicolored_hair naganami_(kancolle) naganami_kai_ni_(kancolle) one-piece_swimsuit pink_hair school_swimsuit sitting solo swimsuit two-tone_hair white_background white_hairband