Julienne the carrot.
Mix the julienned carrots with salt, vinegar, and sugar, then let them marinate for 10 minutes.
Season the rice for gimbap with salt and sesame oil.
Firmly squeeze out the moisture from the marinated carrots.
Spread the rice evenly on the seaweed sheet and layer carrot rapee, cucumber, pickled radish, and egg omelet on top.
Roll the gimbap tightly.
Cut into bite-sized pieces.