Title: The concubine's tattoo
Subjects: Concubinage, Ichirō Sano (Fictitious character), Fiction, Poisoning, Japan, History, Fiction, historical, general, Ichiro, sano (fictitious character), fiction, Japan, fiction, Fiction, mystery & detective, general, Private investigators, fiction, Samurai, fiction
Places: Japan
Time periods: Genroku period, 1688-1704, Tokugawa period, 1600-1868