Cut the rice paper into quarters.
Julienne the carrot and onion.
Add oil to a pan and sauté the onion and carrot.
Add water, gochujang (Korean chili paste), gochugaru (red pepper flakes), soy sauce, minced garlic, and sugar, then bring to a boil.
Once the sauce is boiling, add the rice paper and continue boiling.
Add fish cake and green onion, and simmer for 2 more minutes.
Transfer to a bowl and serve.