Hantenren
Han Tennosei Undo Renraku Kai shortened to Hantenren is a Japanese ultra-left communist group opposed to the Emperor of Japan, Flag of Japan, Kimigayo and Yasukuni Shrine.
History
Hantenren conducted a demonstration over the celebration of the birth of Princess Aiko in December 2001.
During the 2019 Japanese imperial transition, a small crowd on Hantenren supporters protested the ascension of Naruhito with little attention given.
