Arc 5The Acting Captain
Shiraishi hunted Hollows alongside Sōya Azashiro, then helped stop Genjirō’s assault on Soul Society. Yamamoto appointed Shiraishi acting captain of the Tenth Division, where he settled into Seireitei and grew closer to Soi Fon and Nemu.
- Shiraishi and Sōya Azashiro hunted Adjuchas in Hueco Mundo, and Shiraishi killed several while gaining strength and unlocking Bankai.
- Nelliel confronted Azashiro in the Forest of Menos, but their battle left her badly injured until Shiraishi killed Ggio and rescued her.
- Shiraishi and Azashiro defeated Runuganga, but Picaro overwhelmed Azashiro and forced Shiraishi to escape through a Garganta.
- Genjirō emerged from a blood-red embryo, fused with Aaroniero, and attacked Soul Society, killing hundreds of thousands of souls.
- Shiraishi protected the Shinigami battling Genjirō and used Ignorance: Crimson Lotus Hellfire to burn him to ash.
- Ukitake offered Shiraishi a place in the Thirteenth Division, but Yamamoto appointed him acting captain of the Tenth Division, and Shiraishi accepted.
- Shiraishi visited the injured Soi Fon, then began his new post while leaving Hitsugaya to handle paperwork and drinking with Rangiku.
- Shiraishi sought sake and company around Seireitei, eventually resting on Nemu’s lap as she fed him and Mayuri grew furious.