Kanagawa's Second Line will be against RT Katagiri, where Takumi encounters Kai Kogashiwa: a former rival from Irohazaka; graduated from street racing and now a professional racer with his MR-S. However, Takumi is starting to show a "Zone" that had evolved from the Purple Shadow races, a zone that even Ryosuke cannot explain. The winner of this race is up in the air.

As the battle get more dangerous, several confessions come into play that create the full picture behind the feud between Ryosuke and Rin, and how Rin's actions played a huge part in Kaori's suicide. But as they approach the end of the track, Rin's tires and brakes are completely shot, turning his R32 into an unstoppable weapon.

The intense downhill battle between the two drivers are reaching an end, as Takumi and Shinji race to their absolute limits. As this battle comes to a close, and the reign of Project D finally ends, the true meaning behind the "D" will be revealed. As the characters go on different paths, Takumi's passion to be "the fastest one out there" will never end.