Cut the kimchi into bite-sized pieces.
Chop the green onion and pork into pieces that are easy to eat.
Heat some oil in a pan and sauté the green onion to enhance its aroma.
Add the pork and stir-fry.
Add the kimchi and stir-fry together.
Add chili powder and minced garlic, and continue stir-frying.
Add water and tofu, then bring to a boil.
Season with salt and pepper to taste.