Drain the oil from the canned tuna using a sieve.
Slice the cucumber thinly, and julienne the carrot.
Blanch the spinach briefly in boiling water and squeeze out the excess water.
Beat the eggs, cook them into a thin omelet, and slice into strips.
Heat the konjac rice in the microwave.
Top the konjac rice with the prepared vegetables, egg strips, and tuna.
Mix with low-sugar soy sauce or gochujang and enjoy.