As the Straw Hat Pirates were on their way to Zou, they went off course after a gigantic typhoon randomly sucked them in and then whimsically spitted them into a realm ruled by demons, with the most powerful one being the Overlord. It was a fateful encounter, one that many would even say unfortunate. Their meeting was arbitrary and their clashing was inevitable. Crackfic. One-shot.

After going to a island, Luffy has been sent to the Netherworld and most find a way home, but can he with every demon trying to stop him at every corner.

When plagued with boredom, what do Mao and friends decide to do? Why, become pirates, of course! And what better way to make a name as pirates then right at the climax of the Whitebeard War? Disgaea/One Piece Crossover.