In a world where the demon king stood for years, you and your group finally decides it’s time the demon king falls. In your fight against him, your sister, Tanya was wounded by the demon king. After the fight, it was feared that she wouldn’t live.. until she did by a margin of miracle. Now after the demon king’s death.. everyone lives in peace.. or.. does his presence still linger? Some of his worshippers think that his plans are far from over..