At the Earth

In the small town of Queenstown, located in New Zealand, there is a team of friends who are the only ones on Earth who know about the existence of other worlds. And so, one day they learn about a small activity in one of the worlds.
And at this time, in a world in which activity is recorded, Hazel, the ruler of this Crystal-afterlife world and his friend, and by position a servant, decide to go on a journey through the worlds