A New nightmarish opponent arrives on Mt. Akina challenging Takumi in a downhill battle. Also, Itsuki gets a new upgrade for his Eight-Five as it is demonstrated on the downhill.

Project D might be in trouble. The leader of the Northern Saitama Alliance has recruited a bold new driver to face Takumi. Ryosuke knows victory isn't a sure thing, and as the race begins, so does a heavy rain.