Put the rice in a bowl.
Drain the oil from the canned tuna and prepare it.
Julienne the cucumber, carrot, and zucchini.
Blanch the spinach and squeeze out the water.
Fry an egg sunny side up (half-cooked).
Place the vegetables, tuna, and seaweed flakes on top of the rice.
Add gochujang and sesame oil, then mix everything together.