Although the era of samurai has long vanished, Takeshi Chimatsuri strives to preserve the ethos of duty by donning traditional garb and carrying a blade each day, echoing the legacy of his ancestors. Yet when Kageri and Akari Toki, descendants of a ninja clan, enroll at Chimatsuri's high school, their abrupt encounter could topple the entire campus, threatening its quiet order. The Toki sisters pledge to reclaim a family sword that Chimatsu's father seized in an ancient duel for generations in the shadows of past—and they are prepared to employ deceitful means to secure it in secret alone.
