Remove excess water from the tofu and mash it finely.
Drain the oil from the tuna using a sieve and set aside.
Finely chop the carrot and cucumber.
Heat cooking oil in a pan and stir-fry the mashed tofu and chopped carrot.
Combine the stir-fried tofu, tuna, cucumber, rice, salt, and sesame oil, and mix well.
Blanch the inari pockets in hot water and squeeze out the moisture.
Fill the inari pockets with the prepared filling.
Arrange the finished inari sushi on a plate.