Tokyo Ghoul. Volume 9: Sui Ishida

Ghouls live among us, the same as normal people in every way—except their craving for human flesh. Ken Kaneki is an ordinary college student until a violent encounter turns him into the first half-human half-ghoul hybrid. Trapped between two worlds, he must survive Ghoul turf wars, learn more about Ghoul society and master his new powers.
Six months after their Aogiri Tree Operation, the CCG continues their investigation of the Gourmet and the Binge Eater. Kaneki and his colleagues search for Rize’s true identity brings them face-to-face with the mysterious Madame A.