Saki's visit to the U.S. takes an odd turn when she meets Takizawa in front of the White House. He's naked and armed with a gun. He has no memory and may be a terrorist. And he's joining her on a flight to Japan.

Takizawa considers investing in the software created by Saki's club, Eden of the East. The deal could benefit everyone involved, but they must tend to other business first - Osugi seems to be in grave danger.

After years on the fringe of society, Panties finds himself in the middle of a conspiracy when he successfully hacks into Kondo's phone and learns the truth behind Careless Monday.

As missiles fill the skies above Japan once more, Takizawa must rush to prevent a catastrophe far greater than Careless Monday. He has the resources - but does he have enough time?