Tuna Kimchi Fried Rice

Name: Tuna Kimchi Fried Rice
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Korean
Ingredients: 1 Tb oil; 1/4 c onion (diced, about 1/2 of a small onion); 1/2 c kimchi (chopped roughly into 1/4 - 1/2" slices); 1 can tuna, packed in oil (See Note 1); 1 Tb gochujang, fermented Korean red chili paste (See Note 2); 3 c cooked rice, cold (I use brown, short grain rice; See Note 3); 1/4 c water; green onions (sliced); bonito flakes; toasted sesame seeds; dried seaweed (cut into thin strips); fried egg; drizzle of sesame oil