The phrase yaoi emerged in the late nineteen seventies and early nineteen eighties in the context of dōjinshi (同人誌, self-posted works) society as a portmanteau of yama nashi, ochi nashi, imi nashi ("no climax, no issue, no indicating"), the place it was employed in a self-deprecating manner to refer to amateur enthusiast will work that centered on sex to the exclusion of plot and character progress, and that often parodied mainstream.