The hero's son and the ghost of the Demon King are the master and pupil!? Eirth, the son of the hero who defeated the Great Demon King, is troubled. Always expected to achieve great things, but unable to me...

Alto, an aspiring magician, is about to repeat a grade when he accidentally summons the demon Vermeil, which was sealed in a book Alto found by chance. Not only does Vermeil hold an ancient power capable of ...