Child of the Strongest Adventurers

"alright, here we go" Viktor, Son of the one who defeats a lots of demon Lord and now he will now go on the Ascheim Institute of Magic and Sword Academy to sharpen his intellect and improve his sword skill but a boundaries is blocking him. he have a special magic affinity called Void which powerful and his parent tell him to not use his power until he is 18.now adventure awaits on him,but in the academy.