Devil Survivor 2

A sequel to the DS game, Shin Megami Tensei: Devil Survivor. It features the new "Enishi System" expresses the level of friendship you have with your fellow demon users. As this favor level increases, your allies will unlock new skills and more. The game also has the other features of the first game, such as the devil auction.

PLOT

Suddenly, mysterious invaders called the Septentrion arrive in Japan and begin attacking the country on a Sunday. To fight back, the heroes in Devil Survivor 2 signed a pact with the devil to become the 13 devil messengers. The Septentrion show up at least once a day and you have a time limit of seven days to defeat them.

"The protagonist is a third year high school student from a metropolitan area. He got involved with the devil messenger group by accident while returning from a mock exam session. When he awoke he became one of the devil messengers together with Io, a classmate at the protagonist’s school. As an honors student, Io has brains and beauty. She’s said to be the dream girl for many young men. Daichi is also from the protagonist’s school and he’s a childhood friend. He’s a deep thinker even though he has a habit of making light of the harsh situation."