1girl, alternate_costume, artist_name, black_hair, black_one-piece_swimsuit, brown_eyes, competition_swimsuit, dated, from_behind, hair_flaps, kantai_collection, medium_hair, multicolored_clothes, multicolored_swimsuit, official_alternate_hair_length, official_alternate_hairstyle, one-piece_swimsuit, solo, swimsuit, taira_yuuki, yamashiro_(kancolle)