1. Blend together the ingredients for the yakiniku sauce and then bring the mixture to a boil. Turn off the heat. Add the roasted white sesame and shichimi. Set aside.
2. Boil the udon noodle and then set it aside. Stir-fry the garlic with the soybean oil, pork belly, onions, carrots, shiitake mushrooms, cabbage and napa cabbage kimchi.
3. Add the udon noodle into the stir-fry. Add the yakiniku sauce and stir-fry. Serve the dish with mizuna, seaweed strips and white sesame seeds sprinkled on top.