Slice cucumber and carrot thinly and marinate them with salt.
Beat eggs and cook into a thin omelet sheet.
Drain oil from canned tuna using a sieve.
Mix mayonnaise, salt, and pepper with the tuna.
Prepare a wide keto kimbap sheet (egg sheet or cheese sheet) on top of the seaweed.
Layer tuna, cucumber, carrot, pickled radish, and egg omelet in order on the keto kimbap sheet.
Roll the ingredients tightly like kimbap.
Cut into bite-sized pieces.