Rentarou

By its eleventh expansion pack, the massively multiplayer online role-playing game (MMORPG) Elder Tale has become a global success, having a following of millions of players. However, during the release of its twelfth expansion pack: Novasphere Pioneers, thirty thousand Japanese gamers who are all logged on at the time of the update, suddenly find themselves transported inside the game world and donning their in-game avatars.

When he was young Shirou had lost his parents in a large and unexplained fire. He was rescued and later adopted by a man named Kiritsugu Emiya who had revealed to Shirou that he was a magus, a person capable of using spells and magic.

In the year 2039, global warming has caused a sudden rise in sea level, leading mankind to lose a great deal of land territory. At the same time, a fleet of mysterious warships clad in mist, known as the "Fleet of Fog," begin to appear throughout the world's seas, attacking humanity's warships with their powerful superweapons.

The suspense horror/dark fantasy story is set in Tokyo, which is haunted by mysterious "ghouls" who are devouring humans. People are gripped by the fear of these ghouls whose identities are masked in mystery.

The story is set in Heavenly Host Elementary School, an elementary school that was torn down following the murders and disappearances of several of its staff and students. By the start of the story, another school called Kisaragi Academy has been built over the elementary school site.

Toru Acura is a 20-year-old retired soldier meandering through life now that the war has ended. He encounters Chaika Trabant, a 14-year-old sorceress carrying a coffin, and follows her in hopes of finding meaning to his life again.

A year before the battle of Sekigahara that ended the Sengoku Period, the ninja Saizou Kirigakure meets the miko Nami Isa as she's attacked by assassins. Her shrine was destroyed by Tokugawa Ieyasu for siding with Yukimura Sanada.

Alka is an assassin for the Clan of the Sword. She's on a journey to find the woman Jin Valel, who killed her master Hon.

Tada Banri is a newly admitted student at a private law school in Tokyo. Due to the after-effects of an accidental fall from a bridge shortly after high school graduation, he lost all his memories from before then.

The story follows the exploits of Bell Cranel, a 14-year-old solo adventurer under the goddess Hestia. As the only member of the Hestia Familia, he works hard every day in the dungeon to make ends meet while seeking to improve himself.

In the year 2022, the gaming industry has reached a new height after the development of the NerveGear, a helmet-like controller that allows the user to fully dive their senses into the world of virtual reality. After a closed beta with only 1,000 testers, the Virtual Reality MMORPG Sword Art Online is launched.

In the year 2021, mankind was defeated by Gastrea, a parasitical virus, and is forced to live within a wall made of Varanium Monoliths, a metal that is able to subdue Gastrea. Soon, the "Cursed Children", children born with the Gastrea virus who are able to control it—which gives them superhuman abilities—were discovered.

In 1972, 26 years ago, a very popular honor student named Misaki died partway through the school year in Yomiyama North Middle School’s class 3-3. The rest of the students, devastated by the unexpected loss, decided to carry on as if their classmate were still alive, going so far as to keep the desk in place and bringing it to the graduation ceremony.

The Fourth Primogenitor—That's the world's strongest vampire that should only exist in legends. Accompanied by twelve Kenjuu and spreading calamity, this phantom vampire appeared in Japan.