Just throw everything in and mix it up.
Slice the cucumber into half-moons.
Open the tuna can and drain the oil.
Fry an egg.
Warm up the rice and layer the toppings neatly.
You can grill the tofu or use it as is—soft tofu is best.
Make the sauce, pour it on top, sprinkle with sesame seeds, and mix to eat.
If you wrap it in perilla leaves, it's the GOAT.