Isekai (Japanese: 異世界, transl. "different world" or "otherworld") is a genre of speculative fiction—both portal fantasy and science fiction are included. It includes novels, light novels, films, manga, anime and video games that revolve around a displaced person or people who are transported to and have to survive in another world, such as a fantasy world, virtual world, or parallel universe. Isekai is one of the most popular genres of anime, and Isekai stories share many common tropes