1girl, alternate_costume, amatsukaze_(kancolle), ass, barefoot, blue_one-piece_swimsuit, closed_mouth, feet, from_behind, gotou_hisashi, grey_hair, hair_tubes, kantai_collection, legs, long_hair, looking_at_viewer, one-piece_swimsuit, school_swimsuit, soles, swimsuit, toes, two_side_up, white_background, white_hair, windsock, yellow_eyes