Hajime Tabata, the director for Final Fantasy XV, had recently announced his own studio Luminous Productions! The newly erected studio is a branch out from Square Enix which will be focusing on their own original IP. Looking at Final Fantasy XV being built with the Luminous Engine, the studio is probably named after that.
With the new working hours of 7.5 a day, Hajime Tabata aims to promote a healthy life-work balance for his team. Currently they are working on a new AAA game that is an original IP. Hopefully we will get more info on it in the near future!
They are also looking to fill all these positions too: