Darwin Watterson, solo, (15yo), messy brown hair, bright blue eyes, freckles, casual clothes, white shirt, ripped jeans, sneakers, sitting, leaning forward, elbows on knees, fingers intertwined, curious expression, warm lighting, cozy atmosphere, bookshelves, wooden desk, old-fashioned lamp, dimly lit study room, vintage objects, nostalgic tone, cinematic composition, depth of field, realistic, ambient light, afternoon sunbeam.