Cut the pork and kimchi into bite-sized pieces.
Put the pork in a pot and stir-fry until the surface is cooked.
Add the kimchi and stir-fry together.
Pour in water and bring to a boil.
Add onion, green onion, and minced garlic, then simmer over medium heat.
Season with soy sauce and chili powder, and boil until the broth thickens.