Famitsu has the story, the name of the next game in NieR series will be NieR Automata.
Nier Automata will take players to a the devastated planet Earth. It will show the battle between androids (YoRHa) created by humans, against the machine organisms sent by the enemies of mankind.
In the upcoming issue of Famitsu, it will apparently show the characters and setting by Akihiko Yoshida. The character who appears to be the protagonist of the story will be named Yorha #2 Type B and will apparently hold a sword and great sword. It also seems like long range combat will be present and will be made possible by a system known as Pods.
More information is due to come out of Paris Games Week, this week.
NieR Automata is currently is currently in development for the PlayStation 4.