Cut kimchi and pork into bite-sized pieces.
Stir-fry the pork in a pot first.
Add the kimchi and stir-fry together.
Add chili powder and minced garlic, then stir-fry further.
Pour in water and whey, then bring to a boil.
Slice tofu and green onion, add them, and simmer.
Taste and adjust seasoning with salt or soup soy sauce if needed.