What's the name of the Japanese fortune teller?

Japanese fortune tellers are called yin and yang masters. Yin and Yang Master is Mr. Abacus of Japan, and he is a legal and compliant identity stipulated by Japan. World Abacus Day is the World Abacus Day on August 8th every year. As a traditional culture in China, abacus has now become an important part of world culture. In this issue of "Museums Can Talk", Wang Haiming and Shu Bo, experts from the Abacus Museum, walked in.