Disgaea 3: Absence of Detention, a PS Vita port of Atlus' PS3 strategy title, is free for PlayStation Plus members this week according to a PlayStation Blog update.
The title's inclusion in the PlayStation Plus Instant Game Collection was revealed earlier this month, but no timetable for its arrival had been set. This week will also be the final week users can get a discount on four Square Enix-published titles, including Just Cause 2 and Kane and Lynch 2, as well as sales on nine THQ titles, including Darksiders 2 and Red Faction: Armageddon. EscapeVektor, the PS Vita action-puzzle game, is also more than half-off for Plus members, available for for $4.49 (down from $9.99).
Following this week's new content, Spec Ops: The Line will be removed from the collection, so if you haven't grabbed it yet, you might want to do that before April 2.