Contains 5 discs of complete vocal tracks of Choujigen Game Neptune (Hyperdimension Neptunia) series.

DISC 1: Opening and Ending Theme
DISC 2: Duet Sisters Songs
DISC 3: Shugo Megami Series
DISC 4: PS Vita "Kamijigen Game Neptune PP" Complete Bundle Processor
DISC 5: PS Vita "Kamijigen Game Neptune PP" Featured Songs; "MiraInfinity" and "Full Power de Yume wo Miete" which performed by the Four Goddesses/CPUs and the solo versions.

With the additions of:
- Disc 2's Duet Sisters song remixes (Smile Spiral, Sham Cold Girls, Futari de Hitotsu)
- Disc 3's Shugo Megami will have additional new tracks:
  > 5pb.'s Battle Image Song "Hard beat×Break beat"
  > 5pb.chan and MAGES.chan Duet Song "Kizuna no Katachi"
  > Warechu Character Song (by Warechu (CV: Niico [ニーコ]) *new
  > Compa Character Song (by Compa (CV: Kanako Sakai)) *new
  > If Character Song (by If (CV: Kana Ueda)) *new
  > ...and a new track