Arc 8Plots Against the Captain-Commander
Shiraishi fought Kenpachi Zaraki and continued training while the captains confronted Sōya Azashiro and uncovered a rebellion plot against Yamamoto. The arc ended with Isane begging Shiraishi to save Unohana, whose decision to teach Zaraki might cost her life.
- Rangiku Matsumoto summoned Shiraishi to a captains’ meeting where Yamamoto ordered a campaign against Oniyasha, Kaoru Tendō, and Sōya Azashiro, and Aizen and Tōsen volunteered to escort Turtle Gas.
- Aizen and Tōsen encountered Tokinada and Aura, then Aizen promised Tōsen that Tokinada would suffer before his death.
- Kenpachi Zaraki abandoned his mission to challenge Shiraishi, and Yamamoto stopped their Bankai battle and ordered them to accept punishment for the damage.
- Shiraishi trained with Infinity while Zaraki resolved to grow stronger, and Unohana considered teaching Zaraki kendo after recalling their past fight.
- Azashiro attacked Ōmaeda and other investigators, but Mayuri helped expose the Noble Revival Society’s plot to attack Yamamoto on September ninth.
- Soi Fon learned that Kaoru Tendō backed a wider rebellion, sent word for Shiraishi to return, and went to arrest Yūta Ishiyama.
- Shiraishi returned to Seireitei, where Isane arrived and begged him to save Unohana.