Disgaea 3: Absence of Justice is coming to PlayStation Vita, if a Yahoo! Japan article is to be believed. The article, which lists several newly-announced games (Ultimate Marvel vs. Capcom 3, Digimon World Re: Digitze, etc.), mentioned a Disgaea 3: Return as a launch title for PlayStation Vita.
It’s since been edited to exclude the NIS strategy role-playing game, which originally released on PlayStation 3 in 2008. Here’s the original snippet of text:
本体と同時発売 魔界戦記ディスガイア3 Return 新規