Action, Adventure, Sci-Fi, Slice of Life, Mecha
- 200 years after World War 3, lively girl Lu and her robot friend Zet are living a quiet simple life
- Lu and Zet adopt the scrap droid Chrome; an innocent man-made invention curious about their world
- Though Earth has become a wasteland, these three different individuals try to live earnest lives
In a ruined world, a human girl, Lu, and a droid, Zet, live a humble life. Then one day, they encounter a mysterious new droid, Chrome... Now all three of them live together like a family, but then...