Soak the oatmeal in water.
Finely chop the kimchi.
Drain the oil from the canned tuna.
In a bowl, combine oatmeal, kimchi, tuna, egg, and flour. Mix well.
Season with salt and pepper.
Heat oil in a pan and place spoonfuls of the batter on the pan.
Pan-fry until golden brown on both sides.
Transfer to a plate and serve.