The excellently named Prinny 2: Dawn of Operations Panties, Dood! is reviewed by IncGamers' Tim McDonald.
"The whimsical plot is completely at odds with the iron-hard core of the game. This time around, Etna – the master of the Prinny Squad (a legion of knife-wielding undead penguins who say “dood” a lot) and regular Nippon Ichi cameo – suffers a rather embarrassing incident: her panties are stolen by a mysterious thief. In a rage, she orders 1,000 of her Prinnies to track the perpetrator down and retrieve her unmentionables, and thus begins the second Prinny-led adventure."