IN.FIGHT are a long-established organised supporter group of Kashima Antlers. The group is strongly associated with the vocal end at Kashima and has played a central role in Antlers supporter culture since the early J.League era.
IN.FIGHT remain part of current Kashima matchday culture: the group’s name continues to appear in Antlers chants and supporter activity, including 2025 match coverage. The group’s social account identifies itself as Kashima Antlers Supporters.
Social account: X @INFIGHT_12.