1girl, ahoge, blue_one-piece_swimsuit, blue_sky, breasts, cloud, day, hair_ornament, holding, holding_torpedo, i-58_(kancolle), kantai_collection, medium_breasts, neckerchief, one-piece_swimsuit, orange_neckerchief, outdoors, pink_eyes, pink_hair, school_swimsuit, school_uniform, seiya_(iiseven), serafuku, short_hair, sitting, sky, soaking_feet, solo, swimsuit, swimsuit_under_clothes, torpedo