Hyperdimension Neptunia Re;Birth2: Sisters Generation is a PlayStation Vita remake of Hyperdimension Neptunia mk2. Nepgear is the protagonist of this game and while the CPUs are out the Oracles are in charge.
You already know Histoire from the other Neptunia titles. She’s the Oracle of Planeptune.
Chika Hakozaki is the Oracle of Leanbox and she loves Vert. Kei Jinguji is the hardworking Orcale of Lastation. Mina Nishizawa is the Oracle of Lowee and taking care of the twins Ram & Rom is her responsibility.
Hyperdimension Neptunia Re;Birth2: Sisters Generation is slated for release on March 20, 2014 in Japan.