Finely chop the green onion and onion.
Add cooking oil to a pan and stir-fry the green onion to make green onion oil.
Add the onion and kimchi, and stir-fry until the kimchi becomes translucent.
Add the rice and stir-fry until well mixed with the kimchi.
Add soy sauce and sesame oil, and stir-fry everything together once more.
Finish by sprinkling pepper and sesame seeds to taste.