Cut the chicken breast into bite-sized pieces.
Finely chop the kimchi and onion.
Add cooking oil to a pan and stir-fry the chicken breast.
Once the chicken breast is cooked, add the kimchi and onion, and stir-fry together.
Add the rice and mix well with the other ingredients.
Season with soy sauce and pepper.
When all the ingredients are well combined, it's done.