Complex sentence: Though never thought possible a boy named Kazehaya Kamito was able to contract with a spirit and being the only male elementalist in the world he received a letter from the Academy's director, Greyworth Ciel Mais, to meet her at Areisha Spirit Academy.
Split into simpler sentences: Though never thought possible, a boy named Kazehaya Kamito was able to contract with a spirit. Being the only male elementalist in the world he received a letter from the Academy's director, Greyworth Ciel Mais, to meet her at Areisha Spirit Academy.