After a mysterious break-in at Mayuri Kurotsuchi's lab within Seireitei, Rukia is taken captive, sensing a part of her slipping away. In the World of the Living, Ichigo and Kon sense a disturbance and seek answers from Kisuke Urahara. Learning of Seireitei's destruction, they embark on a journey. However, upon reaching the ravaged Seireitei, Ichigo encounters Soul Reapers with no recollection of him or Rukia. Determined to uncover the truth and rescue Rukia, Ichigo must act swiftly to prevent their inevitable separation.