Mudazumo Naki Kaikaku is a Japanese satirical mahjong manga series by Hideki Ohwada. It was initially irregularly serialized in the Kindai Mahjong Original manga magazine published by Takeshobo, then switched to bimonthly serialization on Takeshobo's other mahjong manga magazine Kindai Mahjong in April 2009. An anime adaptation was released on February 26, 2010 as an original video anime.
