Prinny: Can I Really Be the Hero? PSP

Someone's stolen Etna's sweets, and now she's taking out her anger on her favorite punching bag - Prinny! It's up to you to calm Etna's fury by finding all the ingredients for the Ultra Dessert. But that's no easy task, since you'll have to travel all across the Netherworld, facing gluttonous ogres, greedy zombies, two-faced catgirls, bad-tempered witches, and more!