Square Enix revealed another costume for The 3rd Birthday in Famitsu. Like other outfits, the suit costume also takes "battle damage". The Twisted tear Aya’s stockings when they hit her until her legs are bare.
Aya can change costumes in the locker room. It’s one of the areas in the Briefing Room, which appears to act like a hub for The 3rd Birthday. Aya can equip weapons in the armory and select missions from the Overdive room.
The 3rd Birthday comes out on December 22 in Japan and is slated for Q1 2011 in North America.