One can of spicy tuna, a bit of steamed cabbage, half a cucumber, 4 perilla leaves, and egg.
Prepare multigrain rice.
Julienne cucumber, carrot, and onion thinly.
Heat some oil in a pan and lightly sauté the vegetables.
Put rice in a bowl and top with sautéed vegetables and spicy tuna.
Add sesame oil and seeds to taste.
Mix everything well and enjoy.