The Thirteen Court Guard Squads, allied with the Visored, still lead a long-term confrontation against Aizen. They encounter an amazing resistance from Aizen and Gin, so strong that the general captain Genryusai Yamamoto is forced to get into the battle. Meanwhile, Ichigo is up against a brick wall: to put an end to this conflict, he needs to reach a new stage of his evolution. Will he succeed? And what will the consequences be?