1girl, aqua_hair, black_one-piece_swimsuit, breasts, collarbone, competition_swimsuit, cowboy_shot, green_eyes, hair_ornament, hairclip, hands_on_own_thighs, kantai_collection, koutarou_(plusdrive), large_breasts, long_hair, medium_breasts, multicolored_clothes, multicolored_swimsuit, one-piece_swimsuit, open_mouth, simple_background, smile, solo, suzuya_(kancolle), swimsuit, teeth, upper_teeth_only, white_background