Genki opened in Japan a new teaser website which runs a countdown on it. The teaser website going to open on January 5, 2017 with more details.
If you visit the page you will see a Nissan GTR parking at the front of Tokyo and the car’s license plate number is “XTOKYO”

At the moment nothing more known about the game, so we have to wait until January 5, 2017 to find out more.