What is isekai meaning?

Isekai is a term used in Japanese popular culture, especially manga and anime, to refer to a subgenre of fantasy fiction where characters are transported from the real world to a parallel universe, usually a fantasy world, and have to adapt to their new surroundings. The term "isekai" literally means "different world" in Japanese. The stories often feature adventure, magic, and battles, and often involve the protagonist gaining new powers or abilities in the new world. Isekai stories are popular because they offer an escape from reality and allow readers and viewers to explore new and exciting worlds.