Ninna followed by Kanpyō
Ninna (仁和) was a Japanese era name (年号, nengō, "year name") after Gangyō and before Kanpyō.  This period spanned the years from February 885 through April 889. The reigning emperors were Kōkō-tennō (光孝天皇) and Uda-tennō (宇多天皇).