Heat canola oil in a pan and add green onion and minced garlic to infuse aroma.
Add onion, enoki mushrooms, and thinly sliced pork belly. Sprinkle with black pepper and stir-fry.
Add soy sauce and oyster sauce, then continue stir-frying.
Sprinkle red pepper powder and stir-fry for about 30 seconds more, then turn off the heat and mix in sesame oil.
Serve over rice.