Preheat your oven to 350°F (175°C).
Cook sushi rice according to package instructions and let it cool.
In a bowl, mix cream cheese, mayonnaise, and sriracha until smooth.
Fold in the crab meat and chopped green onions into the cream cheese mixture.
Spread the cooked rice evenly in the bottom of a baking dish.
Layer the crab mixture over the rice evenly.
Bake in the preheated oven for 20 minutes or until bubbly.
Remove from the oven and top with sliced avocado and cucumber.
Garnish with nori strips and a drizzle of soy sauce.
Let cool slightly before serving.