刀劍神域
One popular genre in the light novel category is or "different world" stories. In these stories usually feature an ordinary person that is transported from a modern city life to a world of fantasy and adventure. "Sword Art Online," a web novel initially published in 2002, contributed to the popularization of 'Isekai' as a genre. This web novel became extremely popular, forming various adaptations such as an anime, manga, and even various movies and spinoff series. Because of the success of "Sword Art Online", other novels such as "KonoSuba, Overlord" and "" became increasingly more popular. The success of "Sword Art Online" and 'isekai' as a whole contributed to the creation of write-your-own fiction websites in Japan and increasing popularity of light novels in the west as well.