Darkness has shrouded the world for three thousand years, and Erebus, the source of monsters, is entrenched in the End. For a glimmer of hope, the demon hunters embark on a fatal journey again and again. Dreams, friendship, inheritance... All the good things will undergo a cruel test in the face of ultimate despair. Even if the light returns, the roads paved for victory have been soaked in endless sorrow and farewell.