Art style: 3D Pixar.
Strong rule: style --- 3D Pixar ---. A young pineapple character, initially looking weak and scared, but now with a muscular build, a confident and determined expression, wearing athletic training clothes. Pine stands in front of a mirror in a dimly lit gym. His reflection reveals a muscular, battle-hardened man. He looks dangerous and focused. His gaze is sharp. Don't change the character from other series.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "3D Pixar" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "3D Pixar".
Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "3D Pixar" idiom, not in any other medium.
