Microwave the rice.
Sauté cabbage in tuna oil.
Once the cabbage is golden, add tuna and stir-fry together.
On one side, add soy sauce and tuna sauce, simmer briefly, then mix everything.
Add black pepper and rice, stir-fry and mix together, then place in a bowl.
Scramble only egg whites over low heat in a pan, then top the rice with it.
Drizzle sesame oil on top.