Shiho Amazuka and her best friend Reira are ambitious track athletes whose dreams are derailed by their predatory advisor, Inose. After a scandal threatens Reira's place in the club, Shiho attempts to protect her, only to discover that Reira has already succumbed to Inose's twisted sexual conditioning. Trapped by manipulation and a forced dependency on pleasure, the two girls find their bond and their athletic aspirations shattered by Inose's sadistic control.