3girls, ass, ball, beachball, bikini, bikini_skirt, black_bikini, black_ribbon, blonde_hair, blue_sky, cloud, day, from_behind, hair_flaps, hair_ornament, hair_ribbon, hairclip, kantai_collection, long_hair, looking_at_viewer, looking_back, messy_hair, multiple_girls, official_alternate_costume, outdoors, red_eyes, ribbon, scarf, shigure_(kancolle), shigure_kai_ni_(kancolle), shiratsuyu_(kancolle), shiratsuyu_kai_ni_(kancolle), sky, solo_focus, swimsuit, toketa-sekai, v, wading, water, white_scarf, yuudachi_(kancolle), yuudachi_kai_ni_(kancolle)