Check out the official details below. Play as Haise Sasaki, Juzo Suzuya, and other Ghoul Investigators to protect the public from potential harm in TOKYO GHOUL:re [CALL to EXIST]. Ghoul Investigators examine crime scenes that are thought to be caused by ghouls and use “quinques” – weapons made from a ghoul’s organ called “kakuhou”- to pacify and eliminate these fiendish creatures.