Third-year student Taiki joins badminton club. Despite being an early riser, star player Chinatsu, his crush, arrives first. Living together unexpectedly, Taiki strives to reach Nationals to impress Chinatsu.

After a massacre, Tokiyuki flees with loyal retainers including Suwa Yorishige, who predicts Tokiyuki will rule Japan. Their priority is escaping enemy territory.