Mayuri experiments on Gegetsuburi, and discovers that the zanpakuto only return to their owners' control if they are defeated by their owners. Momo and Rangiku send their zanpakutos back to the 4th division barracks, but the cart carrying them is attacked by an unknown assailant. Ichigo meets with Momo and Rangiku, then reaches Muramasa, who is having difficult using his abilities in his current body. Ichigo fights Senbonzakura, and gains the upper hand before Byakuya arrives. Byakuya reveals that he has joined Muramasa as part of following his internal desire to protect his pride, then attacks Ichigo.
El resultado del experimento de Mayuri utilizando el Gegetsurburi de Omaeda demuestra que una zanpakuto encarnada no puede ser devuelta a su forma de espada si cuando es derrotada lo hace otro que no sea su maestro.
捕らえた大前田の斬魄刀・五形頭を使った実験により、持ち主ではない者が斬魄刀を倒しても元の刀には戻らないことが判明し、マユリは対策を考え始める。一方、乱菊、雛森と合流した一護は、再び村正と戦っていた。
La ribellione delle Zanpakuto continua. Momo e Rangiku sono riuscite a cattura Tobiume e Haineko. Nel frattempo, Ichigo affronta Muramasa e si ritrova davanti a Senbonzakura.
