1girl, black_hair, blue_sky, blush, brown_eyes, cloud, collarbone, cosplay, covered_navel, cowboy_shot, crop_top, dated, day, dripping, flower, hair_flower, hair_ornament, hairclip, holding, lifebuoy, long_hair, looking_at_viewer, one-piece_swimsuit, open_mouth, ro-500_(kancolle)_(cosplay), sailor_collar, school_swimsuit, school_swimsuit_flap, school_uniform, serafuku, sky, smile, solo, sparkle, sunlight, swimsuit, swimsuit_under_clothes, tan, tanlines, twitter_username, wet