Ziggurat I-F is a towering business megastructure in Shinjuku. Legend says it is evil. but for Hideji Sato that evil is no legend; it is his everyday to find a way in and expunge it. After all; they did this to him…

Follow the investigations and conundrums of Sato-san and Gossamer, two 'Superpaths' with extraordinary abilities, as they uncover the mysterious hierarchy behind Ziggurat I-F.