Besides, Metaverse is now attracting attention from a lot of teens. Founder of Facebook Zukerberg said Metaverse would be the second SNS. In 2017, Recently, a famous movie director Steven Spielberg produced the movie "Ready Player One". Its plot is as follows. Unlike the dark reality of 2045, in the OASIS of a virtual reality, everyone can have any charater that they want to. He or she can go anywhere. And everything you can imagine can be possible! Steven Spielberg, four years ago, predicted that the era of Metaverse would come! In conclusion, I think that Metaverse will usher in a new era and people will live in it. This is neither VR nor AR, and it is being called "MR". It was expanded into "XR" which is a combination of VR ans AR. The world be dominated by Metaverse!