Sword Art Online

They say whatever doesn’t kill you makes you stronger, but that’s not the case for the world’s weakest hunter Sung Jinwoo. After being brutally slaughtered by monsters in a high-ranking dungeon, Jinwoo came back with the System, a program only he could see, that’s leveling him up in every way. Now, he’s inspired to discover the secrets behind his powers and the dungeon that spawned them.

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.

In the beautiful land of Astraea where a gentle breeze blows, a young man named Yuuki awakens with no memory of his past. There he encounters a guide who has sworn to care for him—Kokkoro, a lovely swordswoman who's always feeling peckish—Pecorine, and a cat-eared sorceress with a prickly attitude—Karyl. Led by fate, these four come together to form the "Gourmet Guild." And so their adventure begins...

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.

.hack follows several young players as they navigate the vast, mysterious MMORPG known as “The World” – a place, it turns out, that is sometimes impossible to leave.

Ninth grader Yotsuya Yuusuke is practical, friendless, and not active in any clubs. Then one day, he and two female classmates are suddenly sent to another world where they must work together to battle for their lives. Yotsuya is a lone wolf and has always lived his life according to his wants, but how will that work out now that he’s supposed to be a hero?!

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.

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!

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

Saved by the Other Suppression Force as a child, psychokinetic Yuito enlists in this elite team formed to fight Earth’s enemy. Meanwhile, prodigy Kasane was scouted for her abilities. Kasane’s dreams tell her strange things, dragging the two into an unavoidable fate.

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...?

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.