– 1 lb imitation crab – 4 oz cream cheese, softened – ½ cup kewpie mayo – 2 tbsp sriracha  – 4 cups sushi rice, cooked – 1 tbsp rice vinegar – 3 tbsp furikake seasoning – Additional kewpie mayo for topping – Additional sriracha for topping  – Green onions, chopped for garnish – Nori sheets for serving