As the dust settles from the (literally) explosive duel against Tsukijima, Souta Narumi, aka Piggy, hopes to finally get some peace and quiet. And knowing the tumultuous plot that Dungeon Explorer Chronicle has in store, it’s time to enjoy some good old-fashioned dungeon-diving to prepare. While Piggy and his usual crew go about their underground excursions, discovering strange new lands and monsters along the way, word arrives of a ritzy gala that’s to be held for all the top Assault Clans—and the food’s all-you-can-eat! Not one to pass up an opportunity like that, Piggy (with little sister Kano in tow) heads out to stuff his face. However, he’ll have to learn the hard way that there’s no such thing as a free lunch when the party is crashed by a shadowy group that coerces the merrymakers into playing a game of death...