Clean the eggplant and other ingredients thoroughly.
Slice the eggplant lengthwise and lightly salt it.
Stir-fry the eggplant in a pan with some oil.
Drain the tuna can and mix the tuna with mayonnaise.
Slice pickled radish, cucumber, carrot, etc. lengthwise for gimbap.
Mix rice evenly with salt and sesame oil.
Spread the rice thinly on the seaweed sheet, then add the eggplant, tuna, pickled radish, and other ingredients on top.
Roll up the gimbap and cut it into bite-size pieces.