Infinite Dendrogram Manga Omnibus Volume 1 features story by Sakon Kaidou with art by Kami Imai and contains volumes 1-2.

In the year 2043, Infinite Dendrogram, the world's first successful full-dive VRMMO (Virtual Reality Massive Multiplayer Online RPG) was released. In addition to its ability to perfectly simulate the five senses, along with its many other amazing features, the game promised to offer players a world full of infinite possibilities. Nearly two years later, soon-to-be college freshman, Reiji Mukudori, is finally able to buy a copy of the game and start playing. With some help from his experienced older brother, Shu, and his partner Nemesis, Reiji embarks on an adventure into the world of Infinite Dendrogram. Just what will he discover and encounter in this game world known for its incredible realism and infinite possibilities?

Infinite Dendrogram Manga Omnibus Volume 3 contains volumes 5-6 and features story by Sakon Kaidou with art by Kami Imai.

You know how it is: Show up, destroy a band of necromancers, defeat the boss, and go home to blow your winnings at the gacha spinner. Too bad Ray never has it so easy, and this time, the boss left behind a trap that turns the local bandits into a gigantic, gruesome, grudge-powered gross-out monster - with his own soul at the center. Can Ray figure out how to take it out on his own? And wait, why's there a flashback?! Watch out for that truck!

Infinite Dendrogram Manga Omnibus Volume 2 contains volumes 3-4 and features story by Sakon Kaidou with art by Kami Imai.

Ray's climb towards becoming a super paladin continues, but it's never as easy as anyone hopes. While walking the streets of Gideon, 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?

Infinite Dendrogram Manga Omnibus Volume 4 contains volumes 7-8 and features story by Sakon Kaidou with art by Kami Imai.

The City of Duels is Heating Up!

A challenger from Huang He comes to duel Figaro, the local legend. As luck would have it, Ray just so happens to have a front-row seat! Both of these Masters wield powerful Superior Embryos and have no intention of losing. Who will be left standing at the end of this ferocious encounter?

As the duel comes to a close, a shadow looms over the city of Gideon. Mr. Franklin, the Giga Professor from the Dryfe Imperium, makes his terrifying debut! The sadistic scientist sets his sights on throwing the city into utter chaos. Unfortunately for him, Ray, Marie, and Rook aren’t about to go down without a fight! Outmatched, outnumbered, and outsmarted, the knights and Masters of the Kingdom of Altar swiftly prepare to retaliate. Will their fighting spirit be enough to defeat this mastermind?