After bringing stability and peace to his land, Kai Lekius, the Sanguinary King, fell into a deathlike slumber. Three hundred years later, he wakes with great anticipation of the world that awaits him. But it seems that hope has been misplaced...

It’s the golden age for treasure hunters—those who risk their lives in treasure vaults the world over, hungry for glory. Krai and his friends swore to become the greatest of them all, but there’s just one problem: this grieving soul wants to retire!

When the gorgeous Nanami confesses to the introverted Yoshin, he knows it’s too good to be true. How’s a guy supposed to keep his cool dating when he knows it’s all just a dare? Besides, what’s he supposed to do when she falls for him for real?

Tired of war, the Demon King of Tyranny reincarnates to restore peace. After two thousand years, Anos Voldigoad returns. He enrolls at Demon King Academy, but with power too great to be measured, how will he prove that the founder stands before them?

If I find a girlfriend, she has to be an otaku. Not some flashy, extroverted gyaru! How am I supposed to turn Kokoro Nishina into the ideal otaku girlfriend?! She’s not my type at all, but maybe she can help me—if I can survive her living with me!

Strange things are afoot. When things beyond human understanding surface, threatening the peace and leaving behind an endless trail of blood. When such incidents arise, Scotland Yard’s Demon Hunter in residence, John Sinclair, is on the case.