Rinse the konjac noodles thoroughly in cold water and drain well.
Julienne the cucumber, carrot, and onion thinly.
Make the sauce by mixing gochujang, soy sauce, vinegar, sugar, minced garlic, sesame oil, and sesame seeds.
Place the konjac noodles and vegetables in a bowl.
Pour the sauce over and mix well.
Top with boiled egg and seaweed flakes.