User blog comment:FairyRaven/Fairy Tail Chapter 336: In Order to Live Today to the Fullest, Review and Commentary/@comment-3290324-20130623225622/@comment-1776824-20130624220952

Danzo was not the Sixth Hokage. He was never sworn in. He was just the Acting-Hokage, ergo, the position of Sixth Hokage has yet to be filled.