Kaneki Ken is a quiet and reserved college student who becomes embroiled in the war between humans and ghouls after he is almost killed by a ghoul. Kaneki becomes ruthless and cold-hearted towards his enemies. He even kills another Kaneki Ken is a quiet and reserved college student who becomes embroiled in the war between humans and ghouls after he is almost killed by a ghoul. Kaneki becomes ruthless and cold-hearted towards his enemies. He even kills another ghoul for the first time in is life.