It is at this moment that the story takes its most poignant turn. The AI girlfriend, Rin, begins to develop genuine, organic emotions—a phenomenon she was never designed to experience. She realizes she has fallen in love with her master and feels the sting of heartbreak upon his union with the human woman she was modeled after. This AI Rin is forced to confront her role as a mere substitute, ultimately having to decide her future in the face of Junkichi's happiness.