Emma Watson, beautiful young woman, skinny dipping, moonlight, midnight, serene lake, surrounded by tall trees, few fireflies flying around, soft ripples on the water surface, gentle lapping sound, Emma's long hair wet and dripping with water, smiling face, sparkling eyes, natural makeup, slender figure, delicate fingers, toes curled over the rock edge, peaceful atmosphere, warm summer night, soft focus, shallow depth of field.