Office Lady Rope Slave (団鬼六 OL縄奴隷, Dan Oniroku OL nawa dorei) aka Oniroku Dan's OL Rope Slave and sometimes mis-referenced as Oniroku Dan's Office Lady Rope Hell (団鬼六 OL縄地獄, Dan Oniroku OL nawa jigoku) is a 1981 Japanese film in Nikkatsu's Roman porno series, directed by and starring Junko Mabuki.