Strong rule: style --- 3D Pixar, high quality 3D animation, inside hum... ---. Inside a bodily tunnel. The yellow fat character in blue overalls is leaning back with hands behind his head, looking very pleased and relaxed. 3D Pixar style.
Character appearance reference (MUST match exactly):
- Жир: A 3D animated round, yellow, bubbly/textured character wearing blue denim overalls with the word 'ЖИР' on the chest. Smug, relaxed, and happy expression.
