After clinching victory in the intense Inter High competition, Sakamichi and his fellow Sōhoku teammates are invited to participate in the Kumamoto Hi Province Mountain Range Race as summer draws to a close. This event attracts elite teams from across the nation, featuring Sōhoku’s adversaries such as Hakone Academy, who are eager to defeat Sōhoku, along with Kyoto Fushimi, Hiroshima Kureminami, and the team from Kumamoto Daiichi High School, captained by Shin Yoshimoto.