He was planning to continue expanding the Nier continuity, but his plans were cut short when Cavia disbanded and Yousuke Saito ( Nier's producer) became busy managing Dragon Quest X. In Yoko's eyes, Nier is his personal Drag-On Dragoon 3.
Yoko felt that he wasn't up to the task at the time and refused. According to a Famitsu interview, Takamasa Shiba presented the idea of creating a sequel to Drakengard 2 many years ago to Taro Yoko.
