A Day in the Life of a Japanese Wagyu Butcher Shop Owner in Tokyo. This Japanese Butcher living in Tokyo Japan offers premium A5 Japanese wagyu beef, Japanese pork, Japanese chicken and various curated meats. This is an average day living in Tokyo as well as average day working in tokyo as a meat butcher. You'll get a glimpse into Japan work culture for this field. Teru, 44 years old, runs a local Japanese meat butcher shop in Tokyo, Yanagiya, which has been in his family for 73 years. It’s named after his family, Yanagi. Yanagiya only sells A5 Sendai Gyu Beef, which is famous for having a strict grading criteria for it’s meat, as only 30 % of the cows in Miyagi prefecture are good enough to be certified with premium A5 medal. All Japanese beef is considered wagyu beef, but not all Wagyu beef is A5 grade. A5 wagyu beef is the highest quality of meat you can get in Japan based on it’s beef grading system. Basically, you have Yield Grade and a Quality Grade, hence A AND 5.