Tokugawa Tsunayoshi
Shinjū (1994) is the title of the debut novel by American writer Laura Joh Rowland, a historical mystery set in 1689 "Genroku-"era Japan. The main character, a "yoriki" (a lower-ranking police officer) named Sano Ichirō, investigates a double murder disguised as a lovers' suicide, and in the process, uncovers a plot to assassinate "Shōgun" Tokugawa Tsunayoshi.