Overpowered Archmage Doesn’t Hide His Talent

Archmage Kaplan took over the body of a young kid who had been deceived by a childhood friend.
He discovered by coincidence in the boy’s diary that he wished to become a renowned magician.
“Shall we give it another shot?”

‘All right, let’s do it.’
In the end, those who are good at magic should use it well.