According to Dengeki Playstation magazine, Compile Heart’s RPG “Hyperdimension Neptunia” was announced to get an anime adaptation. The newest version Hyperdimension Neptunia V will be released on August 30th.
Neputunia V game official website
A manga adaptation has been serialized on an online manga site Famitsu Comic Clear since November 2010.
Source: Scan of Dengeki Playstation
Kami Jigen Game Neptune V on MAL
