Cut the cucumber, tofu, and egg into bite-sized pieces.
Remove excess moisture from the tofu with a kitchen towel.
Add the tofu to a pan and stir-fry until golden brown.
Push the tofu to the side, add beaten eggs, and scramble them.
Add the cucumber and stir-fry quickly.
Add the rice and mix well with the other ingredients while frying.
Season with salt and pepper.