Sanae Kitajima is a psychiatrist specializing in end-of-life care. Her boyfriend, Takanashi, who once struggled with a deep fear of death, returns from an Amazon expedition profoundly changed. What happened during the expedition? What is the true meaning behind his cryptic words, "I can hear the whispers of angels"? (Source: Asahi Shimbun Shuppan, translated)

In the turbulent era marking the end of the Tokugawa shogunate, seven members of the Goryo Eji battle warriors of the Shinsengumi in a bid to retrieve the body of a comrade murdered on the streets of Kyoto... discover the Aburano Koji Incident, the most brutal clash in samurai history.