Combine mayo, sriracha, sesame seed oil, and mix together to make a chili mayo sauce.
Tuna
Cut the tuna in cubes and then add it to a bowl. Combine scallion/green onions, Japanese seven spice, and white and black sesame seeds and mix together.
Add chili mayo sauce and combine together using a spoon.
Making the bowl
Cut avocado into cubes; cucumber into circles; cut jalapenos into circles
Place 2 cups of room temperature rice in a bowl add tuna one side and place avocado, cumber, and jalapenos around the bowl. You can decorate the bowl how you like it.