1girl, alternate costume, black sweater, brown eyes, brown hair, dated, hairband, hood, hooded sweater, hoodie, kantai collection, long hair, m.a.o, one-hour drawing challenge, open mouth, red hairband, shiratsuyu (kancolle), shiratsuyu kai ni (kancolle), simple background, smile, solo, sweater, teeth, twitter username, upper body, upper teeth only, white background