[Machine Translation] Total of 2.5 million copies sold in the series! Politics x Mahjong x Action Gekiga! A high school girl, Mikado Hako, is a member of the royal family with the strongest DNA (!?!). Mikado Hako is a high school girl with the strongest DNA. She suddenly wakes up to "Mahjong" and participates in the "High School Girls Mahjong World Cup", an unprecedented Mahjong festival. After beating Taiwan and Russia in the preliminary group, Japan advances to the final tournament, where she defeats the United States in the first round. Their opponent in the quarterfinals will be the Ukrainian team led by former Prime Minister Yulia Tymoshenko. The Japanese team is overwhelmingly outclassed by Tymoshenko, who has fought against Koizumi Jun Ichiro, Vladimir Putin, and George W. Bush in the past. The true value of Japan's JK Imperial Family will be tested in this match...but what will the outcome be?