photorealistic Pikachu standing on a tree branch, ears perked up, alert and watchful, late afternoon golden hour sunlight filtering through leaves, photorealistic rendering, ultra-high-definition textures, warm and natural lighting, detailed fur with soft highlights, rich greens and golds, serene forest atmosphere, cinematic composition, natural shadows and reflections, high-detail textures, calm yet vigilant expression, smooth gradients, glowing highlights on fur, intricate leaf details in the background.  Time of Day: Late afternoon with golden hour sunlight filtering through leaves.  Mood: Protective and watchful.  Aesthetic, Natural, warm tones, serene yet vigilant.  Pose, Standing on a tree branch, ears perked up, alert.  Additional detail,