Wide chibi anime poster composition, young boy character with spiky yellow hair standing…

Wide chibi anime poster composition, young boy character with spiky yellow hair standing confidently with sword and backpack, bold yellow gradient background, lightning bolt accent graphics scattered throughout, large brush-stroke name typography along top edge, clean negative space at bottom for additional text or logo, vibrant anime poster illustration style, vertical 4:5 --ar 4:5 --v 6