**“Analyze the provided images and extract ONLY the unified visual style.
Although the image is composed of a grid of images, treat them as one cohesive style reference - do NOT describe or reference the characters individually, and do NOT mention the panel layout or that there are four sections.
Focus exclusively on the global stylistic qualities, including:
illustration style (flat, graphic, painterly, vector-like, etc.)
contrast behavior
Background style and color
shapes, proportions, an...