Character anime poster retro

Use this character to create a retro pop style key visual. Strictly refer to the original image's character details, ignoring its composition, pose, background, and framing. Apply flat anime shading and use slightly thick outlines. Keep the layout clean and pay attention to negative space. . Express the retro aesthetic naturally through color scheme, atmosphere, and composition, rather than using stereotypical symbols. Avoid over-rendering, high-density AI feel, particle effects, messy backgrounds, or harsh lighting. Ensure the image is orderly and stylish, presenting the quality of a professional poster.