Brother Of The Shield The Rising Of The Shield Hero X Male Reader (Rewritten)

Y/n Iwatani is the younger brother to Naofumi Iwatani everything was going fine for the brothers but one day they go to the library to check out some light novels but they find one book that reads about the five Cardinal Heroes and..they get summoned to a new world?! How will the two react to this world? What enemies will they have to face? Read to find out