Edited on Nov 28th============
"Higashi no Eden" is an original story written by Kamiyama Kenji.
In 2010, ten missiles hit cities in Japan but weirdly no body was killed by the attack. Three months after the attack, Morimi Saki was involved in an accident in front of the White House and saved by Takizawa Akira, who had lost his memory. They went back to Japan together, but on the day of their arrival the eleventh missile launched agaist Japan. Akira received a mysterious message on his cell phone and 8.2 billion yen was deposited to his electronic account.