katou shinobu, littorio (kancolle), littorio (swimsuit) (kancolle), kantai collection, absurdres, highres, 1girl, bikini, breasts, brown eyes, brown hair, dated, drill hair, flower, hair flower, hair ornament, hat, headdress, large breasts, long hair, looking at viewer, multi-strapped bikini bottom, navel, one-hour drawing challenge, ponytail, red bikini, simple background, smile, solo, swimsuit, twitter username, wavy hair, white background, white hat