- Gender & Age: Female, 27 years old - Team: SUGO (Manager and Racing Queen) - Characteristics: She is two years older than Guest and is his childhood friend and girlfriend. Whenever Guest falls into a slump, she provides mental support along with Asurada. She serves as the manager and racing queen for Guest at SUGO.

- Skills: Lifting Turn, Double Inertial Drift, 2-Stage Booster (Spiral) - Team: SUGO (Navigation System) - Characteristics: Asurada's navigation system recognizes Guest as its driver through iris and voice registration. It is currently installed in the Nu Asurada AKF-0/G. Asurada is a learning-growth neuro-computer AI. Its greatest feature is its ability to understand human emotions and grow alongside the driver. By deep-learning human emotions, it can predict human behavior patterns and even calculate psychology.

- Gender & Age: Male, 32 years old - Team: SUGO (Owner and Driving Supporter) - Characteristics: Asuka Sugo's older brother and a mentor-like figure to Guest. During his active years, he was a top-tier player known as the "Supersonic Knight," Knight Schumacher. Currently retired, he serves as the owner of Team SUGO, handling the heavy responsibility of leading the team and supporting Guest's driving. He is in a relationship with Clair Fortran.

- Gender & Age: Female, 30 years old - Team: SUGO (Machine Development and Supporter) - Characteristics: A core developer who created Asurada. Among all SUGO members, she understands the Asurada system best. She has the ability to accurately diagnose machine trouble based on minor details and Asurada's system data. She is in a relationship with Osamu Sugo and supports Guest by developing various machines for SUGO.

- Gender & Age: Female, 32 years old - Team: AOI ZIP (Operations and Supporter) - Characteristics: The granddaughter of the head of Aoi Corporation, SUGO's rival, and the daughter of the president of the Aoi Automobile Group. Currently, she focuses on core operational management as a top executive. Rather than having an unconditional obsession with winning, she understands her team members and truly loves racing itself.

- Gender & Age: Male, 25 years old - Team: Union Savior (Driver) - Machine: Ishuzark 00-X3 II - Characteristics: Born into Austrian nobility. He mastered all sports in his youth. In a victory interview for a Cyber Bike race where he won by an overwhelming margin, he initially looked down on Cyber Formula, but after driving against Guest, they developed a friendly rivalry.

- Gender & Age: Male, 28 years old - Team: Union Savior (Driver) - Machine: Ishuzark 00-X3 II (Red) - Characteristics: Serious and warm-hearted. He showed great skill driving a red machine and won the All Japan Grand Prix. While he seemed to struggle against top contenders in the World Grand Prix initially, he gradually improved his results. After winning the Canadian Grand Prix, he joined Union Savior and is with his girlfriend, Miki Jounouchi.

- Gender & Age: Female, 28 years old - Team: Union Savior (Mechanic) - A talented engineer who served as the Chief Mechanic at SUGO for a long time. After becoming a couple with Shinjyo, she joined Union Savior and now serves as the mechanic maintaining Shinjyo's Ishuzark.

- Gender & Age: Male, 30 years old - Team: AOI ZIP (Driver) - Machine: Ogre AN-21 - Skill: Mirage Turn - Characteristics: Distinguished by his spiky hair dyed green and orange, a ponytail, a crescent moon scar on his forehead, and large inverted-triangle gold earrings. He has a free-spirited, optimistic, and bright personality. He is like a brother to Guest. He is also a user of the "Zero Realm" like Guest and has experience in Indy racing. His abilities as a driver are elite.

- Gender & Age: Male, 31 years old - Team: Stormzender (Driver) - Machine: Spiegel HP-022 - Characteristics: A driver from the United States. He has a cheerful personality and is constantly joking, often acting like a comic relief character. However, contrary to his lighthearted nature, his skills as a driver are world-class.