"Future GPX Cyber Formula: Early Days Renewal" is a remastered version of the original "Future GPX Cyber Formula" OVA series, which serves as a prequel to the main "Cyber Formula" storyline. The series is set in a futuristic world where high-speed racing has evolved into a technologically advanced sport, featuring cars equipped with advanced AI systems called Cyber Systems. These systems enhance the performance of the vehicles, allowing drivers to achieve incredible speeds and maneuverability.

The narrative centers around Kazami Hayato, a young and talented driver who becomes involved in the world of Cyber Formula racing. Hayato is the son of a legendary racer, Kazami Ryuichi, whose legacy looms large over his career. Despite his natural talent, Hayato struggles with the pressure of living up to his father's reputation and the challenges of mastering the complex Cyber System technology. His journey is marked by intense rivalries, personal growth, and the pursuit of excellence in a highly competitive sport.

Key characters include Asuka Sugo, Hayato's childhood friend and a skilled mechanic who provides crucial support in maintaining and upgrading his racing machine. Another significant figure is Kaga Shun, a rival driver with a cold and calculating demeanor, who becomes one of Hayato's primary competitors. The series also introduces other racers, each with their own motivations and backgrounds, contributing to the dynamic and competitive atmosphere of the Cyber Formula circuit.

The plot unfolds through a series of races, each presenting unique challenges and opportunities for the characters to showcase their skills. The races are not only physical contests but also battles of strategy and adaptability, as drivers must contend with the unpredictable nature of the Cyber Systems. The series explores themes of perseverance, teamwork, and the relentless pursuit of one's dreams, set against the backdrop of a high-stakes racing environment.

"Future GPX Cyber Formula: Early Days Renewal" retains the core elements of the original OVA while enhancing the visual and audio experience for modern audiences. It provides a foundational understanding of the characters and the world of Cyber Formula, setting the stage for the events of the main series. The remastered version offers both longtime fans and new viewers an opportunity to experience the early days of Hayato's journey in a refreshed format.