Cut the pork and onion into bite-sized pieces.
Sauté the pork and onion in a pot.
Cut the kimchi and tofu into pieces that are easy to eat.
Add kimchi to the sautéed ingredients and stir-fry together.
Pour in water and broth.
Season with red pepper powder, minced garlic, and soy sauce for soup.
Add tofu and boil.
Slice green onion and add it at the end to finish.