Create a pencil art female portrait illustration with a style that accentuates shading. Craft an image where the interplay of light and shadow brings out the depth and character of the subject. Emphasize the delicate curves of the face, capturing subtle expressions with nuanced shading techniques. Ensure that the portrait exudes a sense of grace and elegance, evoking emotions through the careful placement of shadows. Pay close attention to the details, from the gentle contour of the lips to the intricate strands of hair. Let the shading breathe life into the artwork, conveying a timeless beauty that mesmerizes the viewer.