Tokyo Ghoul: re manga volume 4 features story and art by Sui Ishida.

A month has passed since Operation Auction Sweep, and business at the CCG rolls on. An inter-squad task force has been formed to investigate the Rosenwald family, and the Quinxes are part of the team. The Rosenwald organization, code-named Rosé, is suspected of being behind a rash of kidnappings in Germany. This is a huge case for the Qs, and the worst possible time for their mentor to fall apart. But Haise’s frequent flashbacks have started making him question everything he believes in—even his own identity.

Tokyo Ghoul: re is a sequel series to Tokyo Ghoul.