Cook rice according to package directions, omitting salt. Allow the rice to cool.
In a small bowl mix the ingredients for the wasabi sauce. Set aside.
In another small bowl, mix the ingredients for the sriracha sauce. Set aside.
Using a 1 cup dry measuring cup, layer cup cucumber, then avocado, then the shrimp, and about a 1/3 cup rice.
Place the serving plate on top of the cup, carefully turn the cup and plate upside down to turn the stack out onto the plate, lightly tapping the bottom of the cup.
Drizzle about 1 teaspoon of soy sauce over the top of the sushi, then drizzle the wasabi sauce and the sriracha sauce over the top of the sushi. Sprinkle with the sesame seeds.
Repeat with remaining ingredients and serve immediately.