Sayoko, the daughter of the Kanou clan, is the central character of this psychological thriller. The family claims to have descended from a deity, and Sayoko, with her majestic face and malicious heart, is adept at hiding her true nature. Yet, when external forces endanger her family's riches, she unleashes her seductive powers to lure and trap them. Volume 4 of the book features a short story titled "Carnival no Yoru."