“I forgot to teach you common sense!”... more>>

A young man, who was supposed to have died in an accident, is reborn in another world as a baby!

Taken in by the nation's savior and hero, the "Sage" Merlin Walford, he is given the name Shin and raised as Merlin’s grandson.

Under Merlin’s guidance, Shin absorbs powerful techniques and gains extraordinary abilities.

However, when he turns fifteen, Merlin suddenly realizes that he forgot to teach Shin something crucial—common sense!

To learn how to navigate society and make friends, Shin enrolls in the Earlshide Advanced Magic Academy.

But for a boy as “extraordinary” as him, life in another world is bound to be anything but normal!

A refreshing and unrivaled fantasy where an overpowered protagonist embarks on his unconventional isekai adventure! <<less

Thanks to various magic, the human race has been saved from calamity many, many times. Retaining his memories from his previous life, a boy, Shin, was picked up by an old man known to the world as a “Magi.”... more>>

Shin was brought up by the Magi, who had retired to a secular place, as his own grandson. With the memories of his past life, he absorbed the Magi’s craft and grew to be able to develop his own magic.

Then, the grandfather told him he has to become independent when he reaches the age of 15.

“Ah, I forgot to teach him common sense.”

The grandson who has grown beyond the level of normal people, lacked common sense; the common sense of the world. So to learn how to socialize, he goes to Earlshide Kingdom City to be admitted to Earlshide Advanced Magic Academy. <<less

Fifty years ago a witch died and left behind what was called the "Witch's Legacy." It is now the modern day where it is said... more>> that whosoever collects all 99 pieces of the Witch's Legacy or "Witchcraft" will be granted one wish. <<less