The setting of Devil Survivor 2 spans the whole country of Japan. It tells the story of Japanese high-school students who receive emails from a website foretelling their friend's deaths. Mysterious creatures invade the country, and the students enter a pact, enabling them to summon demons from their cell phones with a special Devil Summoning App.
Part of the Megami Tensei series ( http://www.batoto.net/search?name=Shin%20Megami%20Tensei&name_cond=c&artist_name=Atlus&artist_name_cond=c )
Alternate Story:
Devil Survivor 2 - The Animation ( http://www.batoto.net/comic/_/comics/devil-survivor-2-the-animation-r7811 )
