Wash the tofu and webfoot octopus thoroughly and cut them into bite-sized pieces.
Finely chop the onion, green onion, and garlic.
Heat oil in a pan and sauté the garlic, onion, and green onion.
Add the webfoot octopus and stir-fry, then mix in the gochujang, gochugaru, soy sauce, and other seasonings.
Add the tofu and stir-fry everything together over low heat.
Taste and adjust the seasoning if needed, then finish.