Drain the tuna using a strainer to remove excess water.
Wash leafy vegetables like lettuce and perilla leaves thoroughly and cut them into bite-sized pieces.
Julienne the carrot and cucumber.
Place the rice in a bowl.
Arrange the tuna, various vegetables, and leafy greens nicely on top of the rice.
Serve with low-carb ssamjang sauce on the side.
Mix all the ingredients together evenly to complete the dish.