Bet on blood and go to the dead land together ■ CONCEPT Dramatic search action RPG challenging with "buddy" to become a partner in a vast dungeon where numerous enemies and dangers await. Share the trembling heart with the unknown sight that overcomes both fears together in a desperate world. ■ WORLD Never far Future The crust that has been penetrated by the "thorn of the referee" is a world that has been torn and broken without survival. There was a closed society called "Vain" whose barely survivors called vampires (revenants) survived. Vampires who abandoned being people as opposed to destruction. While they lose most of their memory as compensation for the supreme power, they keep barely maintaining humanity by sucking blood. The lack of blood makes them transform themselves into losers that have lost their hearts. A search world begins searching for blood and truth, with vampire colleagues in closed world where numerous devotees gather.