mind: Days of Recollections.Hinami is arrested by CCG operators led by Kisho Arima. Sasaki, having survived his encounter with Takizawa, saves her from execution by asking to take her into custody. She is imprisoned in Cochlea ghoul prison. In the following weeks after the operation, the members of the Quinx Squad are being promoted while Sasaki becomes senior investigator. At the next morning, he hallucinates that an investigator is Yamori. The same night, Sen Takatsuki (Eto) delivers him a package with Kaneki's old mask and a book signed by her in it...