The original web novel of Log Horizon written by Mamare Touno was first published online, introducing the story concept and gaining initial popularity.
The first volume of the Log Horizon light novel series was published by Enterbrain, expanding upon the web novel and reaching a broader audience.
The anime adaptation of Log Horizon aired its first episode, bringing the story to life through animation and expanding its fanbase internationally.
The second season of the Log Horizon anime series premiered, continuing the story from the first season with new episodes.
The third season of the Log Horizon anime series aired, produced by a new studio with updated animation and continuing the story progression.
30,000 Japanese gamers playing the MMORPG Elder Tale suddenly find themselves trapped in the game world after the latest expansion pack update, unable to log out or leave the game.
Shiroe and other prominent players form the Round Table Alliance to establish order and governance within the city of Akihabara, aiming to provide security and structure in the new reality.
The Round Table Alliance successfully repels an attack from the guild 'Debauchery Tea Party' attempting to seize control of Nagoya, stabilizing the region.
Shiroe devises and implements a system for managing supply chains and trade routes among the Circlet Continent cities, increasing economic stability.
The Round Table Alliance declares Akihabara a neutral free city-state, allowing diverse groups to coexist under negotiated laws.
Giants originating from the Elder Tale game world invade human settlements, threatening the fragile peace and forcing players and NPCs to collaborate against a common enemy.
Shiroe and Akatsuki formalize their partnership and marriage, solidifying their leadership and alliance within the Round Table.
The Round Table Alliance defends against an invasion by the 'Debauchery Tea Party' at the Westgate, securing Akihabara’s borders.
The Round Table Alliance assembles a force to explore and understand the world beyond Akihabara’s borders, seeking ways to return home.
