The teacher generally does not play any role, but he is the designer and arbitrator of the whole process.RPG games do not necessarily need to use a specified adventure story script: basically, anyone can use any adventure story on the market as a blueprint to write their own adventure game; on the contrary, a well-written and successful RPG is not only fascinating, The game process can also be integrated chapters.
https://www.ccosplay.com/
Both have a long history and reputation, but in the Chinese world, online RPGs are based on Korean-made games. For example, Paradise, Japanese-made and Taiwan-made games also have many players.