Cut the pork shoulder and kimchi into bite-sized pieces.
Put the pork shoulder in a pot and stir-fry over medium heat.
When the meat is halfway cooked, add the kimchi and stir-fry together.
When the kimchi softens, pour in water and bring to a boil.
Slice the tofu and green onion, add them to the pot, and season to taste.
Let it simmer, then reduce the heat and cook for 5 more minutes.