Talk:Tokyo Ghoul:re/@comment-36004712-20180627145036/@comment-2601:18C:CA00:65F9:AC1F:8A26:C2DC:9E77-20180702144443

It's a good theory, but you should know even if he did have a sister, she's still human. So the poison of the dragon will instantly turn her into a hungry ghoul. The one who will save Kaneki will most likely be Ayato.