A young man named Yatsuo is involved in an accident while reading foreign horror stories, as a result of an unlikely chance his soul ends up in a world full of wars and conspiracies. Away from all the light of his sweet home, his only solace is his past memories and a mysterious book tied to his destiny. How will a fragile modern youth survive in this world distorted by hate? Accompany him on his adventures in search of what he longed for in his past.