Writing An Isekai Novel

Isekai (Japanese: 異世界, transl. "different world") is the portal fantasy subgenre of Japanese light novels, manga, anime, and video games. Isekai works revolve around a normal person from Earth being transported to, reborn, or trapped in a parallel universe, usually a fantasy world.
Source: Wikipedia

I also wrote a more general writing guide (Paige's Writing Guide) here: https://www.wattpad.com/story/192695408-paige%27s-writing-guide