In 2120, the cleaning robot that appeared about 100 years ago has evolved, and the cleaning android has become popular. Compared to past robots, it can detect dirt more precisely and can clean not only the corners of rooms, but also high places, which was impossible before. In addition, by having its own will, it can learn the preferences of the owner and judge how much and how often cleaning is optimal. It was a humanoid cleaning robot that was convenient for people, but when it was actually used, problems surfaced. It's a simple malfunction, but if you leave it alone, it's going to be a big deal...
