After an unexpectedly challenging journey, Ray and his party finally arrive at Gideon, The City of Duels. The mere sight of the towering arenas and thriving fantasy townscapes is enough to instantly awe and enchant him. However -- like anything that stands tall and proud -- the city cast a great, dark shadow. The name of this shadow is the Gouz-Maise gang -- a loathsome band of cutthroats who turn their profit kidnapping children and demanding ransom. Ray, wide-eyed and innocent, was blissfully unaware of just how cruel the hyper-realistic world of Infinite Dendrogram would become.

In a world of infinite possibilities, how would you choose to live?

Ray finds himself kidnapped by The Lunar Society, and is approached by their spiritual leader and the last Superior of the kingdom -- High Priestess, Tsukuyo Fuso, who begins to unfurl her nefarious scheme.

As conflict rages at the peace conference between Altar and Dryfe, another battle entirely breaks out on the city streets. Ideologies intersect as those seeking the truth clash with each other, while a treasure-seeker makes her own desperate play. A grand battle, one that may well begin to unravel the mysteries weaved into the world, is about to unfold... What exactly are the Control AIs? What is the nature of the Arch Sage? And, perhaps most urgent of all... How might the people within Infinite Dendrogram avoid the ultimate Game Over?

An AI looks into the past, at an event long before Ray Starling set foot in the world of Infinite Dendrogram. The unstoppable Tri-Zenith Dragon emerges from the mountains. It is a bringer of death, wielding a miasma of desolation in its wake. The citizens of Altar can do nothing but watch as doom descends upon them. However... There are three who may be up to the challenge. Three Masters who, if they managed to work as one, could stop the imminent desolation of the land they call home. But with so much glory to gain, what could they stand to lose?

Who needs peace and quiet when you have games to play? Ray's climb towards becoming a super paladin continues, but it's never as easy as anyone hopes. Ultimate Boss Monsters, cursed costume pieces, and positively mad penguin are just some of the grinds in his way ⁠— and that's not even including the dread specter of gacha mechanics. Can Ray keep his in-game life ⁠— and dignity ⁠— intact, or is he just another cog in the machine of Infinite Dendrogram?

Contains the full Volume 3 and 4! Who needs peace and quiet when you have games to play? Ray's climb towards becoming a super paladin continues, but it's never as easy as anyone hopes. While walking the streets of Gideon, When fighting off a band of hoodlums harassing a young woman, he meets a flamboyant new ally named Hugo, and the two decide to cooperate in order to take down a nefarious criminal group known as the Gouz-Maise gang. But little did Ray know that this seemingly simple rescue mission would cement just how gruesome a reality the world of Infinite Dendrogram could become. Can Ray keep his in-game life -- and dignity -- intact, or is he just another cog in the machine of Infinite Dendrogram?