In a small bowl, toss the shredded cabbage with rice vinegar, sea salt, and black pepper to create a quick slaw; set aside to marinate.
Whisk together the gochujang, coconut aminos, garlic powder, and ginger powder in a small ramekin until smooth.
Finely dice the pork belly and cut the pork tenderloin into small, bite-sized cubes.
Place a skillet over medium-high heat and add the pork belly, sautéing until the fat renders and the bits become golden and crispy.
Add the pork tenderloin cubes and sesame oil to the skillet, searing until the pork is cooked through and lightly browned on all sides.
Pour the gochujang sauce mixture over the pork and toss continuously for 1-2 minutes until the sauce reduces into a thick, sticky glaze.
Warm the corn tortillas in a separate dry pan or over an open flame until pliable.
Fill each tortilla with the glazed pork mixture, top with a generous portion of the cabbage slaw, and garnish with sliced green onions.