How Could a Different World in a Dream Be Real?

The novel tells the story of a group of high school students who accidentally traveled to a different world because of their connection with the world in their dreams, where the male protagonist relied on his own efforts to climb up... If you find any shortcomings in this novel, you can tell me. In addition, this novel has not been finished yet, and you can also give me more opinions. Thanks! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.