Wash the rice and cook it.
Cut various vegetables (carrot, cucumber, zucchini, etc.) into bite-sized pieces.
Drain the oil from the canned tuna using a strainer.
Lightly stir-fry the vegetables in a heated pan.
Place the cooked rice in a bowl, then top with the stir-fried vegetables and tuna.
Add gochujang and sesame oil.
Mix all the ingredients well and serve.