In his heart, Takumi couldn’t accept his victory over the Evo IV and decides to make a vow. To add to his already uneasy thoughts … anonymous messages are being sent to Takumi concerning his relationship with Natsuki.

Mt. Akagi’s battle continues, as Ryosuke has his own theories about streetracing…and he plans to demonstrate it’s difference on Kyoiichi’s Evo III. Back in Akina, Takumi’s routine way of life is gone with the absence of the Eight-Six and the discovery of Natsuki’s secret.

Fujiwara is about to experience a completely different type of racer within Wataru’s own Eight-Six, in a treacherous mountain pass consisted of mixed elevations, rusting guardrails, unexpected traps and aging rough pavements. As Takumi presses down the accelerator, the true nature of the Eight-Six’s new hidden weapon emerges in it’s monstrous raw performance.