WISE MAN’S GRANDCHILD (MANGA)

A young man who had surely died in an accident, was reborn in another world as a baby! After that, he was picked up by the patriot hero Sage Merlin Wolford and was given the name Shin. He was raised as a grandson by Merlin and soaked up Merlins teachings earning him some shocking power however, when he became 15 his grandfather Merlin said: I forgot to teach him common sense.