Although he had a magic aptitude of only 40, which is considered to be a failure as a magician…
During the granting ceremony, Kaito was granted earth magic, space storage, and teleportation magic. However, he only had a magic aptitude of 40, which is considered to be a failure as a magician.
Those with high magic aptitude need at least 70-80 to use magic that is considered to be average for people with a magic aptitude of 100-120. However, there is nothing you can do if you don’t have it.
He devotes himself to the adventurer’s profession, using the knowledge of his previous life.
I am pretty sure it is