Finely chop the onion and green onion.
Cut the kimchi and pork into bite-sized pieces.
Heat cooking oil in a pan and stir-fry the pork.
Add the kimchi, onion, and green onion, and stir-fry together.
Add the rice and stir-fry evenly.
Season with gochujang (Korean chili paste), soy sauce, and sugar.
Finish by drizzling sesame oil and sprinkling sesame seeds.