The anti-unraveled organization TR1M’s special class meets their enemy, the unraveled organization. A boy with an unraveled arm, Totono Amatsuga, gains some friends in the midst of battle, and gets a momentary rest. On the other hand, Nika Ago, who wishes for Totono’s happiness, hide some hesitation and conflicts in her heart. The all-out war between the unraveled organization and TR1M begins, and the terrifying secret of Totono is revealed The door to “Beast No. 6” opens!!