Cut pork, tofu, onion, green onion, and kimchi into bite-size pieces.
Add a little cooking oil to a pot and stir-fry the pork.
Add kimchi and stir-fry together.
Pour 400ml of water and bring to a boil.
Season with chili powder, minced garlic, and soup soy sauce.
Add tofu and onion, and simmer for 5 more minutes.
Add green onion, boil once more, then finish.