Demon Diary Volume 1

God and demons wage a never-ending battle with the mortal realm as their battlefield. As is the case with most longstanding feuds, the reasons are no longer important -- hatred has become a way of life. But it's said that one will arise to restore harmony between gods and demons. Enter Raenef, heir to demon royalty, though he is hardly courtly material. The demon king assigns the wise and noble demon teacher Eclipse to whip him into proper demon shape. Raenef is the black sheep of the demon court, clueless about magic and royal etiquette. But before long, Raenef and Eclipse find that the bonds of their friendship grow stronger than the student/teacher relationship.