In this bold new series, bear witness to the life and adventures of fifteen-year-old Yori and his five-year-old sister Ren. In a world where words and will combined in prayer form a power so great, it can create worlds or destroy them, these siblings must together face the horrors of satanists, demons, and even the Devil herself. When Ren is captured by the satanic OniKocho group, Yori learns of his true power. Now Yori is faced with an impossible choice, kill his sister or save humanity.
