Dice the ham and stir-fry it with a drizzle of sesame oil until lightly browned. Set aside.

Chop the kimchi and stir-fry it with a pinch of sugar and sesame oil until softened. Set aside.

Mix the cooked rice with a sprinkle of black sesame seeds. Optionally, add sesame oil and salt to taste.

Prepare a container lined with plastic wrap. Coat the wrap lightly with sesame oil.

Press a layer of rice into the container, then place a slice of cheese on top.

Add the stir-fried ham and kimchi on top of the cheese. Use a moderate amount of kimchi to avoid overpowering the dish.