The unknown student that Yuri learned on her quest to defeat the Shadows in Episode 12. The AI that she encountered tells her of a human who, long ago, turned himself into an NPC to await the miniscule chance that the girl he fell in love with would reappear in the Afterlife. He is referred to as The Programmer as he was the one who made the NPC-to-Shadow conversion program and the maker of The AI which Yuri talked to.