Heat the rice.
Stir-fry cabbage in tuna oil.
When golden, add tuna and stir-fry together.
On one side, add soy sauce and tuna liquid, simmer briefly, then mix.
Add pepper and stir-fry with rice, mix everything, and place in a bowl.
Fry an egg and put it on top of the rice.
Drizzle with sesame oil.