The plot revolves around three 15-year-old lads who attend a prominent horse racing academy in order to become jockeys. The three-year academy is 10 to 20 times more difficult to enroll than other institutions, and applicants must pass an intellectual, physical, and fitness test. Yuu Arimura, a former member of an idol group who won followers and fame, sets out to realize his heart's desire after being infatuated with horse racing. Shun Kanami, who grew up on an island, has always wanted to ride horses. Amane Grace was born in England and is dissatisfied with the route his parents have chosen for him, yet he persists in pursuing his ambition.