"Hiroyuki Igawa is a central character in the Japanese manga ""Fast Forward"". He is a teenage boy, and a student at Takatsue High School. The story takes place in Tokyo, and Igawa is one of a group of four friends who become involved in the racing scene after discovering their mutual love for street racing.

Igawa is depicted as being an intelligent and focused student, but also introverted and somewhat socially awkward. He is fascinated by the technical aspects of street racing, and spends much of his free time tinkering with his car and studying racing magazines and videos.

Despite his reserved demeanor, Igawa is a skilled driver, with an intuitive feel for his car's limits and a good sense for strategy on the track. He is particularly good at drifting, a technique that involves sliding the car through corners at high speeds.

Igawa's racing ambitions are also tied to his desire to prove himself to his father, who is a successful businessman but does not share his son's passion for racing. This tension is often a source of conflict for Igawa, as he struggles to balance his own desires with his father's expectations.

As the story progresses, Igawa becomes increasingly involved in the Tokyo racing scene, competing in both legal and illegal events. He also develops close relationships with his three friends – Daiki Shiozaki, Jin Takabashi, and Masaki Hirakawa – and begins to see them as a kind of surrogate family.

Throughout the series, Igawa's personal growth is a prominent theme. He learns to overcome his shyness and become a more assertive and confident person, both on and off the track. His racing skills are also refined and honed, culminating in a thrilling final showdown against his rival, Ryuichi Morishita.

Overall, Hiroyuki Igawa is a complex and compelling character, with a rich backstory, relatable flaws, and a compelling arc of personal development. His passion for racing and his dedication to his friends make him a memorable protagonist in a thrilling and engaging manga."