The end of the Heian period was marked by a rapid succession of cloistered emperors, to the point that there were several retired emperors living at the same time.
There could be several retired emperors living at the same time. The end of the Heian period was marked with a succession of cloistered emperors.
The end of the Heian period was marked with a succession of cloistered emperors. There could be several retired emperors living at the same time.
The end of the Heian period was marked with a succession of cloistered emperors. There could be several retired emperors living at the same time.