Clad in desert pink and the size of a mere child, the infamous "Pink Devil" mercilessly hunts down other players in the firearm-centered world of the virtual reality game Gun Gale Online. But in real life, this feared player killer is not quite who anyone would expect. A shy university student in Tokyo, Karen Kohiruimaki stands in stark contrast to her in-game avatar—in fact, she happens to stand above everyone else too, much to her dismay. Towering above all the people around her, Karen's insecurities over her height reach the point where she turns to the virtual world for an escape. Starting game after game in hopes of manifesting as a cute, short character, she finally obtains her ideal self in the world of Gun Gale Online. Overjoyed by her new persona, she pours her time into the game as LLENN, garnering her reputation as the legendary player killer. However, when one of LLENN's targets gets the best of her, she ends up meeting Pitohui, a skilled yet eccentric woman. Quickly becoming friends with Karen, Pitohui insists that LLENN participates in Squad Jam, a battle royale that pits teams against one another, fighting until only one remains. Thrust into the heated competition, LLENN must fight with all her wit and will if she hopes to shoot her way to the top.

In the land of Terra, natural disasters of unknown causes have been occurring irregularly in many areas. Therefore, the majority of the people, in order to escape those natural disasters, came to live in mobile cities developed over the years. The Originium left behind at the site of such Catastrophes, has led to the rapid progress of civilization due to their immense energy. But it also brought something else with it — an incurable disease called Oripathy. Because the bodies of those with Oripathy gradually crystalize and become a new source of infection at the time of death, in many countries, the Infected are subject to persecution under regimes of segregation and forced labor. Those who were oppressed by the governments are starting to rebel. Rhodes Island, a pharmaceutical company researching a cure for Oripathy, takes up their arms and starts a conquest trying to save all the people from the disease.

Not far from the town of Domina lives Shiloh, a boy who keeps hearing a voice in his dreams about a mission he must fulfill. But what mission could he be needed for remains unknown. That all changes when he meets two Jumi, a race that’s hunted for their unique gemstones, as a sudden outbreak of attacks against the Jumi occurs. His dream, his quest, becomes clear—help the Jumi and their gemstones!

A project was launched where scientists discovered a mysterious substance that can interface directly with the human brain. This substance, called "Exotic Matter (XM)," has existed since ancient times, influencing human minds and the progress of humanity. In the wake of this discovery, a battle of powerful nations and corporate giants has been unleashed. Organizations across the globe have embarked on a secret race to exploit XM. It represents both an opportunity and a threat to humanity. Two Factions seeks to control the XM. The Enlightened view XM's power as a gift that enhances human experience and discovery. The Resistance sees XM as a hostile takeover of the human mind, choosing technology as humanity's best path forward. XM, and the mystery behind it lie at the center of this battle for the fate of humanity. 2018—Now, a new struggle is about to unfold in Tokyo and across the globe. Dangerous and powerful forces seeking to exploit the potential of XM will collide. This groundbreaking project will mark the beginning of an epic augmented-reality experience combining the three elements of animation, location-based gaming, and the real world.