It's been roughly thirteen years after Zanbongfar's defeat. Zan and Ayumi now have four children. Though the three youngest children have began to manifest abilities, Sanziri, the first born manifests no abilities. His siblings try to cheer him up but unbeknownst to them, he is not depressed and has been undergoing his own sort of training. He is also determined to avoid the tragedies that befell his predecessors. However when he is taken to see his Gramps, the Nightmare King, he commences training under the Nightmare King's tutorship and is presented with a mysterious Tome which may determine whether or not he can avoid the tragedies that befell his predecessors or will instead inherit them.