Use a paper towel to remove any remaining moisture. Mix the sliced kimchi with the kimchi seasoning ingredients. Drain the tuna using a strainer, pressing down with a spoon to remove as much oil ...
Drain the tofu and mash it with the back of a knife. In a bowl, mix the cabbage, perilla leaves, mashed tofu, drained tuna, eggs, seasoning ingredients and cornstarch until well combined.