Cut the Spam into desired size pieces.
Heat cooking oil in a frying pan and stir-fry the ham over high heat for about 2 minutes.
Add tuna as much as you like, and continue stir-frying with the Spam on low heat for about 3 minutes.
Crack 2 eggs into the pan and scramble together for 1 minute.
Add hot rice and stir-fry everything together for 3 minutes.
Add one tablespoon of sesame oil to a bowl, mix the cooked rice in it, and enjoy.