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One day, while playing the online game Elder Tales, 30,000 players suddenly find themselves trapped in another world. There, eight-year veteran gamer Shiroe also gets left behind. The trapped players are still alive, but they remain in combat with the monsters. The players don't understand what has happened to them, and they flee to Akiba, the largest city in Tokyo, where they are thrown into chaos. Once proud of his loner lifestyle, Shiroe forms a guild called Log Horizon with his old friend Naotsugu, female assassin Akatsuki and others.

One day, a gamer played video games until he fell asleep...and when he woke up, he found himself in the game world—as a skeleton! Equipped with the powerful weapons and armor of his avatar but stuck with its frightening skeletal appearance, Arc has to find a place for himself in this new, fantastical land. All his hopes for a quiet life are dashed when he crosses paths with a beautiful elven warrior, setting him on a journey full of conflict and adventure.

Kaede Honjou is invited by her friend Risa Shiramine to play a virtual reality MMO game with her. While Kaede doesn't dislike games, what she really, truly dislikes is being in pain. She creates a character named Maple, and decides to put all her points in VIT to minimize pain. As a result, she moves slowly, can't use magic, and even a rabbit can get the best of her. But as it turns out, she acquires a skill known as "Absolute Defense" as a result of her pumping points into VIT, as well as a "Counter Skill" that works against special moves. Now, with her ability to nullify all damage, she goes on adventures.

29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to a powerful ability he possesses with limited use, he ends up wiping out an army of lizard men and becomes a high leveled adventurer. Satou decides to hide his level, and plans to live peacefully and meet new people. However, developments in the game's story, such as the return of a demon king, may cause a nuisance to Satou's plans.

Kagami Sakamori was one of the top players in the VRMMO Ark Earth Online as Danblf, a veteran summoner with the gravitas to match his elite status. When he falls asleep playing one day, he's transported to a world where the game is reality—but instead of his all-powerful avatar, he's stuck in the body of a cute young girl! He can't let anyone know that this little cutie is really Danblf, so he takes the name “Mira” and claims to be Danblf's disciple. If this gets out, he'll never live it down!

In the year 2138, virtual reality gaming is booming. Yggdrasil, a popular online game is quietly shut down one day. However, one player named Momonga decides to not log out. Momonga is then transformed into the image of a skeleton as "the most powerful wizard." The world continues to change, with non-player characters (NPCs) beginning to feel emotion. Having no parents, friends, or place in society, this ordinary young man Momonga then strives to take over the new world the game has become.

In the popular MMORPG world 'Union' there existed a legendary party named Subaru. This party, made up of a group of childhood friends and elementary schoolers, exceeded the limits of the game with their various senses. However, due to an incident which resulted in a death, 'Union' ended its service and the group of childhood friends went separate ways. Six years later, highschooler Haruto logged into the new 'Reunion' and reunited with a single girl. Asahi—one of old 'Subaru' party members, and his childhood friend who should have died six years ago. Is she a digital ghost, or...?

The adventures of the demon hunter Dante who himself is half demon and half human.

In an unexpected turn of events, dull high school student Hiro Yuuki obtains the full dive role-playing game Kiwame Quest. Created by the best of technology, the game claims to take "reality to its extremes," from stunning graphics, NPCs' behavior, to the scent of vegetation, and even the sensation of wind brushing against the skin—everything was the result of an ultimate workmanship. Except, the game is a little too realistic and messy to clear. Kiwame Quest features over ten quadrillion flags and reflects the players' real-life physical abilities in the game. Being hit in the game also hurts in real life and slash wounds take days to heal. The only reward here is the sense of accomplishment. Conquer the most stressful game in history that can't be played casually!

Aoba lives on Midorijima, a small island to the southwest of the main islands of Japan. He lives with his grandmother Tae while working part time at a junk shop. The popular pastimes on the island are the ongoing turf war called "Libstease" and an online game set in the virtual world of "Rhyme." Aoba isn't involved in either, preferring to live peacefully, until one day he is forced into a Rhyme battle.

Akira Oono awakens in the body of his online character: Demon Lord Hakuto Kunai. With powerful game mechanics and abilities on his side, this gamer turned badass plots his course through a new world filled with saints, demons, and charming companions!

In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players control their avatars with their bodies using a piece of technology called Nerve Gear. One day, players discover they cannot log out, as the game creator is holding them captive unless they reach the 100th floor of the game's tower and defeat the final boss. However, if they die in the game, they die in real life. Their struggle for survival starts now...