In an unnamed medieval fantasy-styled world (later referred to as "Sorcerion") humanity attempts to make a last ditch effort against their "natural enemies", a race of oppressive demons. After failing to combat them directly, the sorcerers of the world resort to summoning humans from an alternate timeline, in the hopes that they will be able to save them. However, they soon discover that not only are these humans battling a similarly apocalyptic scenario, but that they and the humans of 11 other timelines all attempted to summon saviors as well, resulting in all the "natural enemies", humans, and worlds of each timeline being brought to the same place. The collective survivors decide to survive through utilizing their varying experiences and technologies, with the main plan being to trick their enemies into fighting each other.
The 11th Hero of the 47 Heroes of Sorcerion who confronts the 11th Demon Lord Jachi but is quickly defeated. After recognizing humanity's inability to overcome its Natural Enemies, he recovers and allies with his brother Zaybi. They work with the Combined Forces of Humanity, manipulating Natural Enemies against one another while evacuating humans from endangered worlds to preserve their species.
Zaybi (ゼイビィ, Zeibī)
Zaybi is the captain of Sorcerion's 7th Northern Mage Squad and the older brother of Hallow. He orchestrates a plan to summon allied forces from other worlds using magic, inadvertently causing the fusion of thirteen dimensions. As co-representative of Sorcerion alongside Hallow in the Combined Forces of Humanity, he serves as their chief strategist, specializing in turning Natural Enemies against one another.
Panepane (パネパネ)
Hallow's support fairy companion.
Ario (アリオ)
The 19th Hero of the 47 Heroes of Sorcerion, a childhood friend of Hallow, was tasked with battling the 19th Demon Lord Nyudo. Overwhelmed by Nyudo's power, he fled in fear and carried lasting guilt for his retreat. Seeking redemption, he later joins the alliance against the Natural Enemies. He is currently imprisoned by the Neo-Humans after luring several Titans into their city.
The commander of the 31st Anti-Machine Combat Forces Platoon, a disciplined and formidable leader, becomes the first ally of the Hallow brothers in the newly fused world. She serves as co-representative of The Mecha Ordinance alongside Glasp within the alliance. Frequently participating in strike team operations, she aids in scouting other worlds and assessing Natural Enemies.
Glasp (ガラスプ, Garasupu)
The Major General of the Anti-Machine Combat Forces, a high-ranking officer from the Mecha Ordinance, assumes command of the Combined Forces of Humanity due to his extensive military leadership experience.
A representative of Titan's Crown, he ranks among his clan's most powerful warriors. He frequently accompanies strike teams to scout hostile worlds and assess threats.
Samone (サモウーン, Samoūn)
A representative of Titan's Crown, she voices the clan's moderate faction and frequently moderates Pakkya's impulsive behavior.
The representative of Neo Terra appears as an injured young woman, but is actually a Neo Human. Severely wounded by Robots and mistaken for a regular human, she was rescued by Neo Terra's survivors. While recovering among them, she secretly gathers intelligence with plans to betray the alliance.
The captain of Earth's Defense Force who serves as Celestia's representative, believing his world to be the most technologically advanced among the eleven.
Muun (ムン, Mun)
A fellow officer from Earth's Defense Force, she serves alongside Thear as Celestia's co-representative.
A representative from the Land of the Lawless maintains a low profile, reflecting her world's anarchic nature. Despite her detachment, she retains some faith in humanity's potential within the alliance. She is always accompanied by her dog, Sam.
Old Man Gio (ギオジィ, Giojī)
An elderly representative from the Land of the Law.
The Disastrous Metropolis' lead representative possesses extensive knowledge of kaiju society. Despite being a civilian, he frequently devises practical and sometimes innovative strategies.
Takuya (タクヤ)
The Disastrous Metropolis representative, formerly an elementary school teacher, remains driven by a protective instinct toward others.
Mika (ミカ)
Masayoshi's younger sister actively motivates her brother to overcome his habitual idleness.
The young representative of Gaia's Wraith serves as the alliance's occasional cook, channeling her passion for food into practical use.
Taihi (タイヒ)
The elderly representative of Gaia's Wraith.
Nukizumi (ヌキズミ)
A youth from Gaia's Wraith's lush forests joins Hallow's group during their travels, eager to explore the world beyond his homeland as they journey toward the alliance.
The 11th Demon Lord stands as one of the 47 Demon Lords and Hallow's most formidable opponent. A warrior of immense offensive power, he grows concerned when the merging of worlds disrupts the natural hierarchy, potentially displacing demons from their dominant position. He personally investigates the new reality to study rival Natural Enemies and altered world dynamics. Though he initially dismissed Hallow after their first battle, he later recognizes him as a genuine threat upon learning of his continued survival and battles across the merged worlds, ultimately resolving to eliminate him permanently.
Nyudo (ニュドー, Nyudō)
The 19th Demon Lord possesses unparalleled magical power among the 47 Demon Lords, his immense mana capacity fueled by his gluttonous nature.
Diganazal (ディーガナザル, Dīganazaru)
The 23rd Demon Lord conducts cruel experiments on living creatures to forge a supreme demon army. Nyudo, disapproving of her methods, orchestrates her demise through Ginbak and a titan assault.
A high-ranking officer of the 11th Division demon army, he serves under Jachi. After failing to eliminate the Hallow brothers in their initial confrontation, he is dispatched to complete the mission.
The merciless leader of the outlaw faction Kyokai operates with cold intellect, having abandoned all humanity to view living creatures as expendable instruments.
Gore (ゴア)
The leader of Kyokai's assault force serves as Rinri's primary lieutenant.
A powerful entity from Indiginia, born from collective worship, possesses godlike abilities yet exhibits childish behavior reflective of its divine self-perception.
Robots
The natural enemy of the Mecha Ordinance.
Mandalans
The Celestials are a formidable alien species and Natural Enemies originating from Celestia.
Written by One, illustrated by Kyōtarō Azuma [ja], and composed by bose, Versus started in Kodansha's shōnen manga magazine Monthly Shōnen Sirius on November 26, 2022.[4][5] Kodansha has collected its chapters into individual tankōbon volumes. The first volume was released on April 7, 2023.[6] As of May 9, 2025, five volumes have been released.[7]
Kodansha started publishing the series digitally in English on its K Manga service in November 2023;[8] in the same month, Kodansha USA announced that it had licensed the manga for print release in North America starting in 2024.[9]