Kaihen no Mahoutsukai

Kaihen no Mahoutsukai follows a wizard named Zemu that lives in a remote castle far from the secular world, who is reluctant to take on an apprentice until he takes in a mysterious boy covered in bandages that does not remember who he is or where he came from.

(Source: Wikipedia)

Kaihen no Mahoutsukai has been published digitally as an English simulpub as Kai-hen Wizards by VIZ Media through VIZ Manga.