Thaw salmon and pat dry. Slice into strips with the skin removed.
Cut the seaweed halfway up, starting at the base.
Add rice to the bottom right square of the sheet. Top with furikake seasoning.
Add salmon to the upper right square of the sheet. Top with kewpie mayo and sriracha.
Add cucumber slices to the upper left square.
Add mashed avocado to the bottom left square.
Fold the rice up to flip onto the salmon, then fold it to the left over the cucumbers, and down toward the avocado to create a wrap.
Enjoy!