Mix mayonnaise، chile sauce، togarashi، wasabi، chili powder، and paprika together in a bowl; fold in imitation crabmeat until evenly coated. Spread rice in an even layer across each nori sheet. Spoon a layer of crabmeat mixture in a row along the top edge of each nori sheet. Roll nori sheet around the crabmeat mixture filling، starting on the filling side until completely wrapped. Cut each roll into 8 equal pieces.