Each cycle of the Martingale System earned a profit of just one unit.
But there was a tiny chance a gambler could lose an unlimited number of chips.
A story circulated in Macau.
Legend had it that a group of wealthy men from southern Fujian had formed the Dragon-Slaying Group. In Macau's casinos, gamblers called a streak of wins by the same side a "long dragon." Whenever one appeared, the group used the Martingale System to bet against it and make a profit.
A streak that had already lasted a dozen rounds seemed unlikely to continue much longer. With vast funds behind them, the Dragon-Slaying Group found success at first, and every member made a tidy profit.
But there was no such thing as an unbeatable gambler.
Then one casino saw an extraordinary streak of twenty-eight rounds. The Dragon-Slaying Group took a severe hit betting against it with the Martingale System. Worse, not long afterward, another casino saw an astonishing streak of thirty-two rounds.
That thirty-two-round streak wiped out the once-famous Dragon-Slaying Group. They vanished from the casinos after that.
Fortunately, Tatsumaki's luck wasn't quite so bad. This time, the dealer finally dealt a win for the player.
When Tatsumaki saw the player's hand score eight points against the banker's six, she clenched her fists in excitement.
Just like that, she came out a hundred dollars ahead.
Having tasted victory, Tatsumaki was about to keep betting the same way when Fubuki grabbed her.
"Come on, let's try another game." Fubuki had been so focused on Tatsumaki's bets that she hadn't noticed when the others disappeared.
Tatsumaki was the one she worried about most, so she had to take her along while she looked for the others.
Tatsumaki, who had just found a winning strategy, naturally looked reluctant.
Gambling had a