Drain the tofu and tuna and mash them finely.
Finely chop the Cheongyang peppers, onion, and green onion.
Place the mashed tofu, tuna, and chopped vegetables in a bowl, then add gochujang, soy sauce, minced garlic, and perilla oil. Mix well.
Stir-fry the tofu tuna ssamjang on low heat in a pan to remove excess moisture.
Wrap the tofu tuna ssamjang in lettuce or perilla leaves and enjoy.