 One chapter was released weekly with the SoftBank 3G releases three weeks behind the version for FOMA phones.Prototype again re-released the short story collection, this time on the PSP in two volumes, each containing eight chapters and including the original art by GotoP.The first volume was released on June 3, 2010 and the second followed on July 15, 2010; the re-release is described by the developers as a "visual sound novel".