Hero Without a Class Who Even Needs Skills! E5

In this world, people are given a "Class" when they turn ten. The protagonist Arel, son of the "Sword Princess" Farah and the "Magic King" Leon, is branded as "Classless". Despite this, Arel undergoes intense training and acquires the insane strength to be able to use the "Skills" of various advanced "Classes" at the same time.