Ippei Kusaba

Ippei Kusaba is a minor character in Tokyo Ghoul. He was a ghoul investigator working at CCG's branch in the 20th ward and the partner of Yasunori Nakajima. He was killed by Touka Kirishima.

Story
Together with his partner Nakajima, Kusaba took part in the investigation of Ryouko Fueguchi alias Suspect 723 that was led by Kureo Mado and Koutarou Amon. As part of this investigation, he observed Ryouko Fueguchi and witnessed that she was visiting a grave.

After Koutarou Amon secured evidence that Fueguchi was connected to Suspect 696, he also took part in the attack on Fueguchi and her daughter Hinami Fueguchi.

Later, Amon, Nakajima and Kusaba went eating after working hours. Afterwards, he was killed by Rabbit.