One day, a package arrives at the door of quirky introvert Gen. When she opens the package, she discovers a truly human-like robot, beautiful like the girl of Gen's dreams. While trying to find a way to send the robot back, Gen accidentally hits a button that causes the robot to open her eyes and come to life. With the beautiful, flirtatious, playful, and sexy robot by her side, Gen is completely captivated and decides to keep her, naming her Ai.
