After Being Imprisoned for Ten Years, He Came Out and Became the Strongest in the World?

Als, the son of an imperial noble, was born with the gift of hearing gifted from the gods. The effect of this talent is only to strengthen his hearing - Als was branded as incompetent and was therefore imprisoned in a high tower sealed by a barrier! ? But while Als was in confinement, he discovered that he could also use the magic chant he could hear with his hearing. He also used his extraordinary hearing to steal the chants of the gods in the sky and mastered the legendary magic. Unknowingly, he became the strongest being in the world! After being imprisoned for more than ten years, Als broke the seal and went to the outside world in order to pursue the unknown magic. However, Als, who is not familiar with the world, has no awareness of his extraordinary strength──! ? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.