Asfi is never not busy, so it takes some doing to get her to accept a quest to investigate a mysterious ship that keeps showing up recently. But when she, Hermes Familia, and Lyu board the vessel, they are attacked by a horde of ghosts! They endure an endless stream of inexplicable phenomena while the ship takes them to a place that shouldn't exist—Asfi's lost homeland.

The Lost Ones are wanderers who come here from a distant world known as "Japan." No one knows how or why they leave their homes. The only thing that is certain is that they bring disaster and calamity. The duty of exterminating them without remorse falls to Menou, a young Executioner. When she meets Akari, it seems like just another job...until she discovers it's impossible to kill this girl! And when Menou begins to search for a way to defeat this immortality, Akari is more than happy to ...

To save both her own world and Japan, Menou must face off against Hakua, the very girl who created her. Just as it seems Menou and her allies will emerge victorious, however, Hakua manages to turn the tables and teleports herself, Menou, and Akari to a new world of her own design. In this idealized Japan, Menou experiences peace and material abundance for the first time in her life, while Akari and Hakua get to live a version of their high school days they could only have dreamed of. But t...

The Lost Ones are strangers from another world, hailing from a place no one has ever heard of called “Japan.” These wanderers have been associated with catastrophes since many years ago and the solemn duty of exterminating them without remorse falls to Menou, a young Executioner. But when her mission is complicated by a Japanese girl named Akari who refuses to die, Menou embarks on a peculiar journey to find something that can slay even an immortal who insists on traveling with her would-b...

Princess Ashuna faces off against an armored legion. Menou seeks to infiltrate Iron Chain’s base, only to find herself confronting a ghost from her past. Momo steals Akari away on a secret journey, and both plot to rewrite the Executioner’s inescapable fate...Each of these girls, guided by their convictions, traces out the steps to their own ways of life. Find out where these paths take them in this epic final volume!

After a deadly battle with Pandæmonium, Menou and the others narrowly emerge victorious. Despite Pandæmonium’s last words leaving them uneasy, they head toward their next destination—the Sword of Salt, in order to kill Akari. However, the armed criminal organization, Iron Chain, stands in their way. Together with a friend from Menou’s past, they must reach the oasis in the Balar desert to formulate a plan…

To kill Akari, Menou scours the outer reaches of the West in search of a legendary blade that turns all it touches into salt. There, she stumbles across Sahara, a monk, who has history with the young Executioner and begs her to take her life for reasons unknown. Meanwhile, the one of the Four Great Calamities begins to unfold in the undeveloped regions of the East and slowly inches toward them, leaving a trail of destruction in its wake...

Pandmonium in the mountains.Hoping to avoid a future where Menou dies trying to save Akari, the girl from Japan runs away with her sworn enemy, Momo. The pair ride the rails to a secluded village in the mountains where they believe they’ll be safe for a few days. Unfortunately, they’re not the only ones who decided to stop off there. Manon and Pandmonium have arrived as well, and they aren’t alone. Akari had hoped keeping away from Menou would be enough to spare the girl she holds dear, bu...

UNEXPLORED TALES!Aiz Wallenstein is a famous swordswoman who spends her days with her fellow adventurers exploring the vast underground labyrinth beneath Orario known as the Dungeon. Her life is about to change forever when she runs into a certain boy chasing his dreams. As their paths intersect time and time again over a few short months, a dizzying number of stories are born!

Journey to where the fog never lifts… Libelle, a city by the sea. Those who venture into its fog are said never to make it back alive-a murderous phenomenon that’s another of the Four Major Human Errors that has ravaged the world. But for Menou, it just may be the solution she’s looking for. To fulfill her role as Executioner, she needs to find a way to murder Akari, the girl who seems to spring back to life whenever she’s killed. Maybe this time, Menou will be successful in carrying out h...

Sometimes carrying out justice requires...cross-dressing?!When a troubled couple tells the story of how their daughter was taken to pay off a gambling debt, Lyu's conscience and the legacy of Astrea Familia compel her to take action!The many skills Lyu learned as an adventurer are formidable, but she'll need more than brute force to challenge the influential Grand Casino. Unable to sneak or fight her way inside, Lyu puts all her trust in Syr's rescue plan: Go through the fr...

Menou and her allies succeed in executing the mastermind behind the drug monstrine, but now they must face their true enemy—one of the Four Major Human Errors who once destroyed the world, Pandæmonium. The little girl is the concept of Evil brought to life, and she can create countless monsters from her flesh, revive herself at will, and kill for mere entertainment. Against her overwhelming power, Menou is backed into a corner...but with the help of Akari and a certain Princess Knight, can...