Soul Society's Biggest Enemy

AU, After Fake Karakura, Before Fullbring. Ichigo has some power. A few month after Aizen, Genryusai decides that Ichigo is to weak, and Karakura needs a better protector. At the same time a new Enemy Looms over Hueco mundo, reviving the Espada for revenge. How Does Squad 14 play a part? Who is Kioshi really? What is his plan? Who are the Hashi?And why are the Bounts back? K and up