Probably a fantasy adventure for three high school students.
If you see this sentence, please stop collecting and watching it. The author has a lot of things in his mind but probably doesn't have time to write orz at the moment. In order to ensure the readability of the article and to ensure that I don't get fooled, I will publish it when it is more complete [Clench fist] It's still too late to quit now!
Purpose: Scientific explanation of fantasy