Ryuichi Azuma

Takizawa prevented Japan's destruction - and then he vanished. Six months later, clues lead Saki to the Big Apple in search of her missing friend. Meanwhile, the remaining Selecao are plotting their final move. Some of them would prefer Takizawa dead and out of the way. Some might even be willing to help him achieve his goals. Unfortunately, some are prepared to destroy everything if it means claiming checkmate in Mr. Outside's puzzling game.

At the Ninjutsu Academy, Doi teaches young ninjas known as "Nintama." One day, he goes out for a battle against a ninja from the rival clan, but vanishes without a trace. The Nintamas worry for Doi's safety. At the same time, the Academy receives troubling news that their rivals at Dokutake Castle may be scheming something.

When Saki Morimi gets into trouble with the police while in Washington D.C., she is helped by a Japanese man who calls himself, Akira Takizawa. Akira has only two things, a gun and a cell phone loaded with 8.2 billion yen in digital money.