More info and Japanese debut trailer for Prinny: Is it Okay if I'm the Main Character?

Here's a few more details on the upcoming Disgaea spinoff for the PSP from Nippon Ichi, Prinny: Is it Okay if I'm the Main Character? (Prinny: Ore ga shyujinkou de iinsuka). Set to come out on November 20 in Japan, the game's offerings are the following:

• 10 stages
• adaptive difficulty settings
• a story spanning a single lengthy day in the life of the Prinnies

Interesting. So the adventure is just a day in the life of them lovable fighter-penguins. Anyhow, we also found a gameplay trailer, which you can check out below.