Oniroku Dan (団 鬼六, Dan Oniroku, 16 April 1931 – 6 May 2011) was a Japanese author who has been called, “the most celebrated writer of popular SM novels in Japan.” Many of his stories have been filmed, most notably by Nikkatsu studio in their Roman Porno series. Dan had a close professional association with actress Naomi Tani throughout her career. He died May 6, 2011.
Oniroku Dan was born Yukihiko Kuroiwa (黒岩 幸彦, Kuroiwa Yukihiko) in Shiga Prefecture on April 16, 1931. His father, Nobuyuki Kuroiwa, had once aimed to be a screenwriter. His mother, Yukie Katori, was a former movie actress and a former student of the novelist Sanjugo Naoki. This was her second marriage. In 1944 Dan’s father was appointed to work in Osaka and the whole family moved to Kansai region. There Dan attended Kwansei Gakuin Middle School, Kwansei Gakuin High School, and graduated from the Department of Law of Kwansei Gakuin University. Dan moved to Tokyo soon after graduation in 1955.