Series about people trapped in a video game

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...

Kirito and some of his new friends look back at the events of season one. Kirito recalls his defining moments while Suguha learns to swim with the help of Asuna and other girls who fought alongside Kirito.

Natsuki Subaru, an ordinary high school student, is on his way home from the convenience store when he finds himself transported to another world. As he's lost and confused in a new world where he doesn't even know left from right, the only person to reach out to him was a beautiful girl with silver hair. Determined to repay her somehow for saving him from his own despair, Subaru agrees to help the girl find something she's looking for.

A prequel story set seven years before the beginning of the Re:ZERO series. Emilia lives in a secluded forest covered in snow with the spirit Puck. The forest holds a secret: the elves who once lived there have been frozen into ice. Emilia is feared by the people living on the outskirts of the forest, but makes a humble living selling magic stones and warding off Magic Beasts. One day, however, her peaceful life is disrupted when the Great Spirit of Fire Melakuera decides to lay his judgment upon her.

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.

A short, overweight student uses the Neuro Link, an evolution of the Nerve Gear, to escape himself from the reality. But his skills in the virtual world brings him to the attention of Kuroyukihime, a popular student who introduces him to the Brain Burst.

In 2046, many aspects of life are carried out on a virtual network. No matter how advanced the time becomes, however, bullying never disappears. Haruyuki is one of the bullied students. However, one day he is contacted by Kuroyukihime, the most famous person in the school. "Wouldn't you like to 'accelerate' and go further ahead, boy?" Haruyuki is introduced to the "Accel World" and decides to fight as Kuroyukihime's knight.

Bored with life and considering the real world to be just a “crappy game,” savvy sibling shut-ins Sora and Shiro have withdrawn into their own fantasy world filled with video games. However, one day they find themselves summoned to another world by a boy who calls himself “God,” their abilities are about to be put to the ultimate test! Now not only their fates — but the fate of all of humanity — will be decided by a series of games that may just be the hardest these super-geniuses have ever faced!

Six thousand years before Sora and Shiro were even a blink in the history of Disboard, war consumed the land, tearing apart the heavens, destroying stars, and even threatening to wipe out the human race. Amid the chaos and destruction, a young man named Riku leads humanity toward the tomorrow his heart believes in. One day, in the ruins of an Elf city, he meets Schwi, a female exiled "Ex Machina" android who asks him to teach her what it means to have a human heart.