A medium shot from a low-angle view captures an incredibly muscular, hyper-defined gorilla standing centrally in an anime illustration style. The gorilla is performing a back double biceps pose, twisting its torso to look back over its shoulder toward the viewer with a wide, triumphant grin that reveals bright, gleaming white teeth with a sharp sparkle effect. Its anatomy is exaggerated to an extreme limit, featuring massive, undulating muscle fibers, deep vascularity across the traps and lats, and a thick, coarse dark fur texture that contrasts with the defined musculature. The background is a minimalist, neutral studio setting to emphasize the subject's physique. The lighting is dramatic and high-contrast, casting deep shadows in the muscle crevices and bright highlights on the peaks of the biceps, with a vibrant and energetic atmosphere. The color palette focuses on rich browns and greys, with a clean, polished digital art finish.