Finely chop the kimchi and green onion.
Wash the bean sprouts thoroughly.
Heat sesame oil in a pan and stir-fry the green onion and kimchi.
Add tuna and bean sprouts, then stir-fry together.
Rinse the rice and add it, mixing with the sautéed ingredients.
Pour in water and soy sauce, then bring to a boil.
Simmer over medium-low heat, stirring occasionally, until the rice softens.
Season with salt to taste.