Marinate the pork with 1 tbsp soy sauce, 0.5 tbsp minced garlic, and pepper for 30 minutes.
Sauce: Mix 1 tbsp soy sauce + 0.5 tbsp plum extract + 2 tbsp chili powder + 1 tbsp hot chili powder + 0.5 tbsp minced garlic + 1 tbsp cooking wine + 2 tbsp allulose + pepper to make the marinade. Let it sit for 30 minutes.
Stir-fry the pork, then add the sauce and continue stir-frying.
Add onion, green onions, and Cheongyang chili peppers and stir-fry.
Add 1 more tbsp chili powder and stir-fry for 30 more seconds.