Ink and Sand
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Cain’s got issues, and they live in his head. He calls them the Narrator and Instinct: one provides a running commentary of Cain’s life from an outsider’s view, while the other helps Cain learn things; lots of things.
After an escalation of the conflict between The Commons and Dr. Steinberg, Cain is trapped in an underground lab and forced to find a way out. While Cain’s otherwise occupied, Rainer goes missing while searching for the A*****e Killer. And Ink and Sand, former colleagues of Steinberg’s, enter the scene, seeking comeuppance for an unknown slight from the past.