In a bowl, mix soy sauce, dried sake, mirin, and dried kombu. Cover and set aside for 8 hours.
For the Stock
In a pot, mix pork meat, salt, ground black pepper, chicken neck and wings, Baguio leeks, carrots, garlic, ginger, bonito flakes, and water. Boil for 1 ½ hour.
After 1 ½ hour, remove the pork and chicken meat from the pot, and transfer into a bowl. Set aside.
For the Ramen
Cook the ramen noodles based on the instruction printed on its pack.
When ramen noodles are cooked already, transfer into a bowl, then top it with sliced pork meat, bamboo sprout, half of the boiled egg, scallion, and chili oil.
Pour 4 cups of stock in a pot, bring to boil then add ¼ cup of soy sauce mixture. Stir until boil.
Pour the stock into the bowl with ramen mixture. Serve hot and enjoy!