Cut the pork leg meat into bite-sized pieces.
Slice the kimchi and onion.
Add the pork leg meat to a pot and stir-fry.
Add the kimchi and onion, then stir-fry together.
Pour in water and add minced garlic. Bring to a boil.
Season with soy sauce, red pepper powder, and black pepper.
Add tofu and let it simmer briefly.