Cut the pork into bite-sized pieces.
Slice the onion and green onion thinly.
Mix gochujang, red pepper powder, minced garlic, soy sauce, and other seasonings to make the sauce.
Add the sauce to the pork and marinate.
Heat cooking oil in a pan and stir-fry green onion to make green onion oil.
Add the pork and onion to the pan and stir-fry.
When the pork is cooked, turn off the heat and mix it with rice.
Shape the mixture into bite-sized rice balls.