History is a mess, a mysterious girl has fallen from the sky, and all you can find is a library about history! IF takes the lead in the latest installment in the Neptunia series of games, Superdimension Neptune VS Sega Hard Girls!
In the distant future, the world has been ravaged by war. Only within the safety of Japan are people living away from the war. Under the judgment of Sibyl, people live their lives under labels. Step into the lives of two new law enforcement agents who dedicate their lives to dealing with those who are judged poorly.
Long after the sun had last set, a group of young Machina Mages are tasked with the mission of delving to the center of the world to turn the key so that the sun may rise once more. Join these mages in their quest, one which will lead through many perils, and one which will lead to them growing close as friends.