Soak the bunmoja noodles in cold water for 30 minutes.
Cut the fish cake and onion into bite-sized pieces.
In a pan, add water, low-sugar gochujang, low-sugar soy sauce, and anchovy-kelp broth. Bring to a boil.
When the sauce boils, add the fish cake and onion and cook for 2 minutes.
Add the soaked bunmoja noodles and simmer on medium heat for 3 minutes.
Top with green onion and boiled eggs, and cook for 1 more minute.
Serve in a bowl and sprinkle with sesame seeds to finish.