Cut napa cabbage kimchi into bite-sized pieces.
Prepare the ingredients such as tofu, green onions, and pork.
Add sesame oil to a pot and stir-fry the pork and kimchi.
Pour water and bring to a boil.
Add seasonings (minced garlic, red pepper powder, soy sauce, etc.).
Add tofu and green onions and continue boiling.
Taste and adjust the seasoning with salt or soy sauce if needed.