Generate a black and white sketch of a person with a single wing on their back

Generate a black and white sketch of a person with a single wing on their back, sitting and reclining on a floating rock in a white sky. The person's pose is relaxed, with their head resting on their knees. The rock appears to be defying gravity, floating in mid-air. The background is a clean and simple white. Use minimalist lines and gentle shading to create a contemplative and mystical atmosphere