Just chop and add everything
Dice fresh fish into cubes.
Cut onion, cucumber, and avocado into bite-sized pieces.
In a bowl, mix soy sauce, sesame oil, vinegar, and a little gochujang to make the sauce.
Combine the chopped ingredients and sauce together.
Place rice in a bowl and top with the mixed ingredients.
Finish with sesame seeds and seaweed flakes.