aruka_(alka_p1), commentary_request, 1girl, bare_legs, blue_one-piece_swimsuit, blush, hair_ornament, hairclip, innertube, long_hair, looking_at_viewer, neckerchief, one-piece_swimsuit, pink_eyes, ponytail, red_hair, school_swimsuit, school_uniform, serafuku, smile, solo, swim_ring, swimsuit, water, i-168_(kancolle), kantai_collection, year_2014, 