Haise Sasaki

Haise Sasaki is the identity used by Ken Kaneki after losing his memories in Tokyo Ghoul:re. He works as a Ghoul Investigator and mentors the Quinx Squad while unknowingly living inside the organization that once hunted him.

Haise Sasaki as mentor of the Quinx Squad

Gentle, responsible, and afraid of the violent memories returning beneath his surface, Haise builds a family role around the Quinx. His need for stability conflicts with the suppressed identity of Kaneki.

Lost memory, ghoul power, and the return of Ken Kaneki

Haise uses quinque weapons and ghoul abilities inherited from Kaneki, including a kagune that becomes harder to control under stress. Encounters with Touka, Hinami, and the old Anteiku circle eventually restore memory, ending Haise as a separate protective identity.