A high-stakes riichi mahjong game unfolds among prominent global leaders like The Pope, Kim Jong Il, George W. Bush, and past Japanese Prime Ministers. The intense matches are chronicled in various one-shot volumes including 'Ritz season.1,' 'Oretachi Kenou Shineitai,' 'Ritz season.2,' 'Lacross Shoujo Katagiri Ririn-san wa Totemo Moteru,' and 'Ritz season.3.'