Plot:
The story centers on the first self-disciplined humanoid AI "Vivy" in history, a "singer" whose mission is to "bring happiness to everyone with her singing." One day, an AI "Matsumoto" who claims to be from 100 years in the future suddenly appears and says that he will work with Vivy to correct history and avoid a war between humans and AI 100 years in the future, which sets Vivy on a journey to destroy AI.