Wash the cucumber thoroughly and slice it thinly.
Drain the tofu and crumble it into small pieces.
Blanch the inari pockets in hot water to remove excess oil.
Mix salt, vinegar, and sugar into the rice to make sushi rice.
Combine the sliced cucumber and tofu with the rice.
Fill the inari pockets with a suitable amount of cucumber tofu rice.
Sprinkle sesame seeds on top of the finished inari sushi.