Hiromichi Kojima the star batter of the Lycaons heads to the southern Japanese island of Okinawa to train and find a new pitcher for the team. There he meets Toa Tokuchi a 134-kmph pitcher and the undisputed king of a gambling form of baseball called "One Outs". At Kojima's urging Tokuchi signs up with the Lycaons under an unusual contract: he gets 5000000 yen for every out he pitches but loses 50000000 yen for every point he gives up. A high-level psychological game of baseball gambling and logic is about to begin..