Thread:Digifiend/@comment-24253276-20140528011329

http://powerrangers.wikia.com/wiki/Akira_Nijino#Behind_the_Scenes

Gou Fukami is not a sixth ranger. According to Gokaiger logic; he is a member of the core team (he was the 4th to join the Gekirangers).

So, Akira Nijino is the first 6th ranger to be a former monster. 