[Machine Translation] Ryo Manda and Tadahiko Hiraki, the "Manpai Duo", have created a series of DVDs of "Hokuto no Ken", a pachislot machine with a winning formula! Manda, a man of data and reading, and Hiraki, a man of intuition and pulling, aim for the strategy of "Hokuto no Ken" while developing their own theory based on the data released by the manufacturers and the explanatory magazines.