I've found that breaking shading into a few simple, repeatable steps makes drawing a girl feel much less intimidating and a lot more fun. Start by deciding on a single light source — top-left, top-right, whatever feels dynamic — and imagine the face and body as simple 3D forms:
Spheres for the skull, cylinders for the neck, soft planes for the cheeks. I like sketching a quick, light value map: light (paper), midtones (gentle hatch or light pencil), core shadow (darker), cast shadow (the darkest). Keeping those four levels in mind gives you a roadmap so you don't overwork every little area. Use a soft pencil for quick midtones (2B), a slightly darker one for accents (4B), and a harder pencil (HB) for delicate lines. A kneaded eraser is your best friend for pulling highlights back out.
When I actually shade, I work in stages. First I block in the big midtones across the face and hair with light, even pressure. Think of the cheeks, forehead, and nose as planes that catch light differently; lay down a smooth base and resist the urge to detail too soon. Next I add the core shadow — under the chin, under the nose, the eye sockets, and the hairline — using slightly more pressure or a darker pencil. For soft skin areas I blend gently with a stump or tissue, but for textured things like hair or fabric I use directional strokes that follow the form: short curved strokes for hair strands, longer strokes for folds. I mix techniques: subtle smudging for soft transitions, hatching and cross-hatching for more graphic shading, and crisp darks for eyelashes, the pupils, and the rim of the lips.
A few practical tips that saved me hours of frustration: keep edges in mind — hard edges show the boundary between planes and should be used sparingly (like
the edge of a cast shadow), while soft edges help skin look round and smooth. Use a tiny highlight on the lower lip and a specular highlight on the eye to bring life to the face. Don't forget reflected light: the underside of the chin often gets a faint bounce of light from clothing or the environment, which makes the shadow read more believable. For hair, block the big darks and lights first, then add thinner strokes for texture. For clothing, exaggerate folds with one strong shadow edge and a few softer adjacent tones. A simple value scale (I draw one on the corner of the page) helps me avoid staying stuck in the middle tones — aim to include a near-white, a midtone, a deep shadow, and a true black for contrast.
If you want quick drills, try shading a sphere with one light for 10 minutes and then do a three-value portrait (light, mid, dark) in 15 minutes. For stylized or manga-inspired girls, reduce detail: focus on clean midtones, strong cast shadows for depth, and selective highlights. For realism, take your time layering and observing subtle shifts. My favorite little ritual is stepping back from the page every few minutes — that tiny distance shows where values need help. I still get a kick out of watching a flat sketch become a living face with just a few confident strokes and thoughtful values, and I hope you enjoy that moment too.