Slice the cooked octopus, onion, green onion, carrot, cabbage, and green chili into bite-sized pieces.

In a pan, combine the octopus, cabbage, onion, green chili, and carrot.

Add all the seasonings (gochujang, soy sauce, sugar, minced garlic, black pepper, cooking wine, and water) to the pan.

Stir-fry the mixture over medium heat until the vegetables are tender and the octopus is heated through.

Add the chopped green onion and give it a final quick stir.