Introduction: What would happen if a regular person was thrust into a magical secret society? Simple, right?Ariyama Saato was once a high school student, but his foolish decisions leads to the deaths of his innocent classmates at the bottom of a dark dungeon.Wracked with guilt, Ariyama decides to join the secretive Pilgrims’ Society to track down unregistered Tributes — people with special enchanted tools — only to find redemption in himself. He also makes a contract with one of the otherworldly Pilgrims themselves.This is the story of Ariyama Saato, and how his life is brightened and destroyed by forces beyond comprehension...