Arc 1The Tsunayashiro Conspiracy
Shiraishi fled the Stealth Force, found refuge in Rukongai, and became entangled in Kūkaku’s investigation into Kaien’s death and the Hollowfication Experiment. After killing Takehiko Tsunayashiro and defeating Nnoitra, he left Kūkaku to search beneath the barracks and went to help Soi Fon.