1girl, arms behind head, blue one-piece swimsuit, blush, breasts, brown hair, collarbone, competition swimsuit, dated, hair flaps, hairband, highleg, highleg swimsuit, impossible clothes, impossible swimsuit, kantai collection, large breasts, long hair, montemasa, one-hour drawing challenge, one-piece swimsuit, open mouth, orange eyes, red hairband, shiratsuyu (kancolle), shiratsuyu kai ni (kancolle), smile, solo, swimsuit, twitter username, two-tone background, two-tone swimsuit, white background, yellow background