In the world of Ars, humans lead a decades-long war against giant beasts that ravage the lands and feed on their resources. Those tasked with fighting them are champions called nagimori, who utilize the destructive power of kannagi: beings gifted with uncontrollable magical powers. While mourning the death of his war partner, former nagimori Jiiro crosses paths with Kuumi, a young woman who has just awakened her magical powers. After the pair form a contract to save the city from a giant beast attack, Jiiro learns that Kuumi has escaped a laboratory and is being hunted by the underlings of Mezami, the head of the research facility. Reluctantly agreeing to help Kuumi flee from her pursuers, Jiiro starts traveling with his new partner and her friend Myaa, a young girl with a cat headdress. As the unlikely trio wanders the Arsian lands, top officials begin setting their plans into motion—and the group of adventurers soon discover that men are to be feared more than monsters.

Sightings of mysterious creatures known as "Hologram Ghosts" have been a popular topic on social networks for the past few years. According to the rumors, several people have fallen victim to these specters. Those fortunate to survive their encounters with the paranormal beings claim that they resembled glitched holograms. Hazakura Academy middle school student Hiro Amanokawa believes these sightings are merely an urban legend. However, as the incidents start to increase in frequency, he is reminded of the day his father suddenly vanished, with strange digital watches serving as the only relics of his disappearance. Much like the other sightings, what happened to Hiro's father cannot be explained by conventional logic. One day, when a fellow student in the academy is attacked by a Hologram Ghost, Hiro and his friend Kiyoshirou Higashimitarai decide to look into the matter. Little does Hiro know that this investigation will be their first step toward discovering a dangerous world previously unknown to mankind.

On the planet Noman's Land, reporters Meryl Stryfe and Roberto De Niro traverse the desert in search of the infamous outlaw Vash the Stampede. But the man they find near the desolate town of Jeneora Rock is a far cry from the lethal terrorist they expect. In reality, Vash is a passive and carefree drifter; he is a proponent of peace, beloved by the residents of the town. His inaccurate reputation actually stems from the widespread atrocities committed by his twin brother Knives Millions. Still, Vash is dubbed "The Humanoid Typhoon'' due to the tendency for violent chaos to follow in his wake. Chaos soon arrives in the form of bounty hunters seeking the high price on Vash's head, and their violent pursuit poses great danger to the town and its precious power plant. Thanks to his gunslinging prowess, Vash is able to resist most of these nefarious forces. Yet he must soon face off against the ultimate evil: the unstoppable destructive power of his malevolent brother.

Since reincarnating into a new world, Ryouma Takebayashi has used his god-given graces to tame countless slimes and employ them to improve the lives of everyone around him. With the astonishing success of his laundry shop, Bamboo Forest, he is finally ready to take on new frontiers and open a branch in the neighboring city of Lenaf. Abiding by his promise with his dearest friend, Eliaria Jamil, Ryouma makes every day count, whether learning new techniques, forming connections, or even discovering more species of slime.