Real Mahjong Unit
|Leader||Mr. Takaharu Ooi, Representative|
|Members||64 (31 men, 33 women)|
Real Mahjong Unit (RMU) is a professional association of competitive Mahjong players.
As of June 2020, RMU currently has 35 professional members (25 at the main office, 10 in Nagasaki), including four women in "license-tier membership" and 29 other registered women (joryuu senshu).