Pursue Kageroza! Technological Development Department, Infiltration!

Plot:

Inside the Precipice World, Rukia and the others act as decoys to draw away the Reigai's attention while Ichigo, Urahara, and Kon break into the Seireitei. As they search for Kageroza's laboratory, Urahara makes an attempt to restore Ichigo's lost Soul Reaper powers but is discovered by the Reigai of Nemu and Nanao.