In the final race of the 14th Cyber ​​Formula WGPX, Asurada disagrees with Hayato's instructions, which leads to Hayato becoming interested in a different machine and deciding to enter the 15th tournament with Garland, without waiting for the new chassis to be completed.

Team Sugo is taking a break in Florida before Round 5. Asuka invites Hayato to a stock car race in which Shinjo is participating. Hayato sees a completely different Shinjo. He has mastered a powerful and forceful driving style, and is enjoying racing with vigor. Hayato and Asuka are amazed to see how much Shinjo and Miki have grown, even mentally.

Phil and Alzard, who achieved their first victory in the opening race, attracted attention from the press. Phil expressed his feelings about joining Cyber, saying, "I want to battle with Kazami and Guderian."

Team Sugo is taking a break in Florida before Round 5. Asuka invites Hayato to a stock car race in which Shinjo is participating. Hayato sees a completely different Shinjo. He has mastered a powerful and forceful driving style, and is enjoying racing with vigor. Hayato and Asuka are amazed to see how much Shinjo and Miki have grown, even mentally.

Hayato receives a call from Kaga, who says he's had an accident. He says he's experienced the same sensation as Hayato. Kaga suspects a drink holds the secrets of Phil and Alzard. He entrusts Asuka with analyzing its ingredients.

Round 6. The new Asurada attracted attention not only from the press but also from each team. After qualifying, Hayato declares to Kaga, "I'm going to race my own race. That's the only way to win. I'm going to win."

After Asuka informs the Sugo team that Hayato hasn't returned, they begin a search. With the Japanese Grand Prix final scheduled for the afternoon, free practice begins, and Shinjo, Kaga, and Randall, who have learned of the situation, join the search. Meanwhile, Phil overhears Kaga and Shinjo's conversation and rushes to Nagumo's house.

As the fierce battle continues, Nagumo is arrested. Aoi's pit becomes noisy. Kyoko picks up the intercom and tells Kaga that Aoi's race is over and to return to the pit. However, Kaga asks to continue this race to the end. Behind the scenes, the final race of the Japanese Grand Prix heats up.