I once stepped into the bottomless darkness, now I hold my sword and cut through the thorns. A young man steps into the gray world and goes from being a nameless boy to an overlord, struggling in the light of swords, blood and shadows, and sinking in the whirlpool of emotions. He is a revengeful ghost, but he is also the hero with the most commitment. This blood-stained road leads to endless darkness, and only a deeper night can swallow it.