2girls, alternate_costume, artist_name, black_hair, black_one-piece_swimsuit, breasts, brown_eyes, competition_swimsuit, cowboy_shot, dated, from_behind, fusou_(kancolle), hair_flaps, kantai_collection, long_hair, looking_at_viewer, medium_hair, multicolored_clothes, multicolored_swimsuit, multiple_girls, official_alternate_hair_length, official_alternate_hairstyle, one-piece_swimsuit, smile, swimsuit, taira_yuuki, yamashiro_(kancolle)