Slice pork into thin bite size pieces. Add the pork marinade. Message with hand and keep in fridge for 10-15min.
Chop kimchi, onions, peppers and scallions and set aside.
Bring a skillet on high and add 1T olive oil and 1T sesame oil. Into the heated pan, add onion, garlic and pepper and stir fry for 1-2min. Add the marinated meat into the pan and stir fry. When meat is 3/4th done, add kimchi, gochugaru, soy sauce, brine, sugar and 1T sesame oil. Keep stir frying quickly for about 2-3min. Avoid sticking to pan. Add more oil as needed.
Turn heat to med high, add the sauce mixture into the pan. Mix and simmer until kimchi is soft. Add more water if needed.
Place tofu chunk into a microwaveable bowl with 1/2 cup water. Use a microwave cover/lid or use a seran wrap to cover. Cook on high for 4min. Slice into 1/2" thick tofu once cooled enough to touch.
Arrange tofu on one side and kimchi Jjim on the other. Sprinkle with scallions and sesame seeds. Enjoy with a hot bowl of rice!!