Operation V-Panties Bonus Level
To unlock the bonus level (Operation V-Panties), you must first unlock EVERY
Netheraward. Then talk to the Tutorial Manager and hit Triangle until he says something
new (over 100 times).
Unlock Asagi Wars Mode
To get it, you need to get all the Asagi Tickets in every town stage.
Unlock Prinny Laharl
Start a new gam and then play Stages: 3, 1, 5. Then go to the balcony for the battle.
Unlock Prinny Asagi
Load the "Clear Data" and then play Stage: 4, 2, 3 and then go to Balcony for battle.