Agerna is a planet rich in Vizorium, the one mineral necessary to space travel. So when a series of mysterious attacks on mining operations has the governments of the world pointing fingers and blaming each other, the World Welfare & Works Association naturally sends in their top agents to investigate. But are the lovely angels up to the task of stopping a mad scientist bent on taking a long dormant alien race to its final evolutionary form? Throw in a thief who's hunting a bottle of World War II-vintage wine and it's a safe bet that nobody on the planet is safe. It's more chaos, more mayhem and even more destruction than ever before as the Dirty Pair take on their wildest case yet!

-ADVERTISEMENT- With the conclusion of her favorite romance manga, Fuuko Izumo is ready to end her life of misery and loneliness having long accepted her fate of never being able to experience passionate love like fictional characters. Cursed with "unluck," anyone Fuuko touches is in grave danger of experiencing unimaginable calamity. While the possibility of imminent danger would have most sane people run in the opposite direction, Undead has other ideas. He is an immortal being with superhuman regenerative powers desperately seeking death, which has always eluded him. When their paths finally cross, Undead sees an opportunity to finally end his suffering by using Fuuko's unluck. But before Undead can unlock the full potential of Fuuko's power to trigger the final devastating blow, the duo must first fend off a murderous secret organization hell-bent on exterminating those with special abilities.

The Dirty Pair are travelling to the planet of Ookbar in search of a missing girl. Kei and Yuri have traced Missinie to the forest of Nolandia, but their investigations have stalled thanks to the less-than-helpful Chief of Security. But the Dirty Pair have never let a little bureaucracy stand in their way.

Three months have passed since the Demon King was defeated by a hero. Mankind rejoices over their victory, but dwellers of the demon world do not share the same sentiment. With the loss of their king, they must now hold a tournament to decide who will become his successor. Monitoring the competition is the hot-headed yet powerful Vamirio—one of the Four Heavenly Kings. Among all the participants, she is extremely distrustful of one: Helck, a human hero who claims to hate humanity. As much as she wants to get rid of him, it is impossible due to Helck's incredible strength and popularity. Amidst the competition, Vamirio discovers that humans have vanished from various towns. As a result of this puzzling turn of events, Vamirio grows desperate to reveal Helck's true intentions by carefully crafting a plan to make Helck lose. If she proves to be successful, she might uncover where his loyalty truly lies before the demon world is endangered.