The fallout is going to be huge thanks to a series of explosive developments for would-be layabouts turned workaholics, the former scientific company workers Keigo Yoshimura and Azusa Miyoshi! Still adjusting to life as the world's wealthiest—and, for Keigo, most powerful—dungeon explorers, the two members of D-Powers have plenty on their plates as their stat-measurers get trial runs at a New York explorers convention. Meanwhile, opposition mounts against dungeon-grown food and their new project to farm it. Also, someone's trying to spawn plutonium drops?! Scratch that—a shadowy organization's trying to spawn plutonium drops! Is there any way these two nouveau riche dungeon newbies can use their knowledge and research skills to save the world?