Rinka Okino from Otome Dori, an manga by Carn, animated by studio Seven.
Now in Illustrious.
Description
keywords: okinkodoriilus, brown hair, short twintails, brown eyes, medium breasts, collared shirt, short sleeves, neck bow, green bow, pleated skirt, red skirt, striped thighhighs, brown shoes, school uniform,
Try adding "no hair ornament" if her hair ribbons are persistent.