D. Night Sacred

A long time ago, a stone tablet predicted that in the near future, the demon count would descend on this continent. The Demon Count has the ability to fulfill any wish, thus drawing out the desires in human beings' hearts and turning humans into the "Devil Heart", the killing weapon of the Demon Count... Finally, one day, everything changes! Humanity gained power from the Lord of the World and launched a war with the Demon Count that lasted for hundreds of years... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.