katsuhita, who lost his mother since childhood, relied on his father for life. because his father is busy with work, katsuhira, a fourth-grade student in elementary school, lives too dull, but he still shows strength. the only thing he longed for was a stylish car... one day, his father brought a "gift" from the workplace, which completely changed katsuhita's fate! the work mainly describes the encounter between the protagonist katsuhita and his partners, and describes the insignificance of personal power in the fierce racing competition and the various stories surrounding the racing, which makes people unable to help but fall in love with this work. the protagonist hirata katsura and his partners' enthusiasm for racing also make this work even more fascinating. aaa