An Izakaya, Japanese style of bar, installed the robots who make drink and give them to customers. It is an experiment, collect the data and analyze it.

To order a menu of drink, first of all, we request that we order robots to make drink in the casher. Second, we can receive a paper with a QR code. Then, we go in front of the robot and show the paper. Robots will make comments like a character in animes and express his emotion. They make drink with his arm for 40s to 100s. It takes the same time with people.
There are four cameras in the ceiling. They observe the customers’ position, age and gender. The robots talk with them according to the customers’ personalities. After repeating this training, they can master how to talk with the customers and make them smile.
The robots are made by Universal Robots in Denmark. The company is the top of sales in the world because of unbroken, high quality and safety. It costs about 6 million yen for robots and 3.5 million yen for software research fee and cloud fee.