cinderella series, hachigatsu no cinderella nine, artist request, highres, official art, 1girl, black shoes, black socks, blue bow, blue bowtie, blue sailor collar, blue skirt, blue trim, bow, bowtie, brown hair, closed mouth, hands on own hips, kazamatsuri serina, kneehighs, long hair, looking at viewer, low twintails, plump, purple eyes, sailor collar, school uniform, shirt, shoes, short sleeves, skirt, socks, solo, thick thighs, thighs, transparent background, twintails, white shirt