Prinny 2: Dawn of Operation Panties, Dood! Cheats

Start with Asagi Wars
While normally it may be impossible to unlock Asagi Wars from the start, a recent DLC (Download Content, for those who don't know (including myself)) makes it possible! While over new game, press Triangle, Square, Circle, Triangle, Square, Circle, X to activate the Premium Ticket DLC and begin the game as Prinny Asagi for her story line! (You'll know this cheat worked when you hear Asagi say, "Summer Greetings, dood!" and you see different difficulty setting (% instead of chances)). Have fun, dood!

Unlock Asagi Wars: Triangle, Square, Circle, Triangle, Square, Circle, X over New Game.

How to Unlock Secret Prinny's
Here's way to unlocking it: Play the stage in the description, after finishing stages, go to balcony and beat the bosses in balcony (Laharl & Asagi). Finally, if you beat them, the facility becomes active. NOTE: You can unlocking them once per game, if you finished the game, after Credits, select 2nd Option, then save the Clear data. (You can unlock one prinny again once time)

Prinny Asagi: Load the Clear Data, then Play stage: 4,2,3. Then go to Balcony for battle
Prinny Laharl: Start new game, then Play Stage:3,1,5. Then go to Balcony for battle

Easy Method to Unlock Operation V Panties
Go to the Tutorial Manager (once it's unlocked) and press triangle 100 times. The Tutorial Manager will say some things about inside information followed by "You can now head out from the Dimension Guide. Yay panties!"