[Machine Translation] A boy named Ku meets a robot girl named Ichiko. The gears that never mesh start turning now. During the summer vacation, Ichiko, a robot girl who looks exactly like a human, comes to Usami Ki, who lives with his mother. (Nine is drawn to her as she learns about the human mind. Then there is Ai, his childhood friend who has feelings for him. Little by little, their feelings grow and intertwine... Boy meets robot girl!