Arc 16The Rescue of Kūkaku Shiba
Shiraishi joined Oda Nobunaga’s attempt to obtain a snow lotus while evading the Gotei 13, and Isshin Shiba’s trip to the World of the Living exposed Aizen’s schemes. After learning Kūkaku Shiba faced imprisonment, Shiraishi decided to infiltrate the Seireitei and rescue her, with Nemu Kurotsuchi offering to help.
- Shiraishi agreed to retrieve a snow lotus for Oda Nobunaga, then evaded the Shinigami search as Oda escaped the tunnels with Kichō and was rescued by Aizen.
- Shiraishi traveled with Nemu Kurotsuchi through Rukongai, where Nemu chose to stay with him rather than return to Mayuri Kurotsuchi.
- Oda Nobunaga’s forces attacked Ryūgetsu Castle, and Shiraishi rescued him from Soi Fon before escaping with the safe and shielding everyone from her Bankai.
- Miyamoto Musashi fought Kenpachi Zaraki and was killed, while Genryūsai Shigekuni Yamamoto ordered the captains back to the Seireitei amid fears of a rebel force.
- Isshin Shiba disobeyed Yamamoto’s orders to investigate Naruki City, where Masaki Kurosaki killed White and found instructions to bring Isshin along.
- Aizen revealed that he had framed Yoruichi Shihōin and arranged pressure on Kūkaku Shiba, while White’s failed experiment prompted him to order surveillance of the Ishida family.
- Shiraishi repaid the Rice Village elder and tried to give Kawakami Saburō money, then learned that Kūkaku Shiba was under threat of imprisonment and discovered a way to enter the Seireitei.
- Shiraishi decided to infiltrate the Seireitei to rescue Kūkaku Shiba, and Nemu Kurotsuchi offered to help despite the risk of losing her place with Mayuri Kurotsuchi.