Line a 12×18 inch sheet pan with foil and cover with nonstick cooking spray.
In a large pot, on medium heat, melt the butter. Add the marshmallows and stir occasionally until they have melted. Remove from heat.
Add toasted sesame oil at this point, mix well.
Then, add the Rice Krispies cereal and Bin Bin Rice Crackers. Mix until well-coated and the marshmallow mixture is completely incorporated.
Press into prepared baking sheet and top with furikake. Let cool at room temperature for at least 30 minutes. Once completely cool, cut into 24 squares and serve.