1girl, asymmetrical_hair, black_hair, black_one-piece_swimsuit, breast_cutout, breasts, brown_eyes, brown_neckerchief, crop_top, framed_breasts, gakky, grey_background, hair_between_eyes, i-13_(kancolle), kantai_collection, neckerchief, one-hour_drawing_challenge, one-piece_swimsuit, school_swimsuit, shirt, short_hair, sleeveless, sleeveless_shirt, solo, standing, swimsuit, swimsuit_under_clothes, two-tone_background