Versus manga volume 1 features story by ONE and art by Kyoutarou Azuma.

Centuries ago, humanity's natural enemy, Demons, invaded the world and defeated humanity. The Great Demon Lord and his generals have since dominated the world, while the human race lives on in fear. In desperation, a group of 47 people gathered from around the world undertake a last-ditch effort to save humanity from ultimate annihilation. These heroes swear to defeat the demon army and win back humanity's freedom, but they have no idea the desperate measures that this battle will drive them to embrace…

Versus manga volume 2 features story by ONE and art by Kyoutarou Azuma.

Centuries ago, humanity's natural enemy, Demons, invaded the world and defeated humanity. The Great Demon Lord and his generals have since dominated the world, while the human race lives on in fear. In desperation, a group of 47 people gathered from around the world undertake a last-ditch effort to save humanity from ultimate annihilation. These heroes swear to defeat the demon army and win back humanity's freedom, but they have no idea the desperate measures that this battle will drive them to embrace in this latest volume.

Versus manga volume 3 features story by ONE and art by Kyoutarou Azuma.

Faced with annihilation, the last remnants of humanity across thirteen different worlds have banded together to survive. While they might be stronger together, they now have thirteen natural enemies all gunning for them as well, and their only hope is to make those enemies fight each other, instead. But it's easier said than done when the enemies are all stronger or smarter than they are. In a last ditch effort, a team is sent to intercept a group of Titans heading their way and redirect them towards a city of Neo-humans, with the aim of mutual destruction. But even if one attempt works, there are more and more enemies converging from every direction upon humanity's last stronghold…