It happened 10000 years ago, a curse descended upon humanity. They call themselves, “Cavles”. After spreading all over the world and starting massacring human-beings. And within a short period of time, they were named as the greatest threat of the history. Rapidly, the popultion starts decreasing. Humans started fighting with cavles. They discovered many powers and techniques. After a very long time, a new organization formed as Reapers Guild. It started leading the humans to fight a world war against the Cavles. They selected strong and potential soldiers and gave them Reaper identity. In this never ending war, a 15 years old boy from Jossemburg, Noya wants to join the guild and eradicate the shadows of Cavles. On top of that, he ims for the strongest spot and reach his father