Cut the octopus into bite-size pieces.
Finely chop the onion, carrot, and green onion.
Heat cooking oil in a pan and stir-fry the chopped vegetables.
Add the octopus and stir-fry over high heat.
Add rice and stir-fry, mixing well.
Season with soy sauce, salt, and pepper.
Finish with sesame oil and a sprinkle of sesame seeds.