Seaweed Chex Mix Japanese Chex Mix Snack With Seaweed And Sesame Seeds? What Is It Really Called?

Japanese chex mix snack with seaweed and sesame seeds? What is it really called? - seaweed chex mix

Hello guys.
My friend took me today and was on Chex snack mix, which will be cooked too soft, but slightly salted with a few pieces of seaweed and sesame
Do you know what's his name?
You know where I can find the recipe?
It was really delishh
I think that you are Japanese, but not in
THANKS