Ryūnosuke Akutagawa
As a separate stand alone novel, but set in Japan, "Patient X", was published in 2018. Subtitled "The Case-Book of Ryūnosuke Akutagawa", it follows the life of author Akutagawa from his childhood to his suicide in 1927, including his witnessing of the Great Kantō earthquake that devastated most of Tokyo and much of the surrounding region in 1923.