Kei, a brilliant robotics researcher, creates Marie, a robot designed with a unique program called the "Romance Code" that allows her to experience emotions of love. Marie's primary function is to provide unconditional love and support to Kei. However, as Kei's professional life takes a new turn and she becomes increasingly busy, Marie begins to process her emotions differently, experiencing unfamiliar and painful feelings. These changes in Marie's emotional state are linked to the "Romance Code," which requires regular updates to function optimally.
