Super Seminary Dimensional Travel

A system was abandoned by its previous host. When passing by the earth, it selected a person who was lying down and playing with his mobile phone, and his shuttle journey began. …………………………………………………… This is the author's first time writing a book, so just read it and don't complain, because this is the story of my own fantasy. I can't experience it in reality, but I can write the story I want in the novel. The author is a high school student, and I also prefer fantasy. ——————————This book is useless, you can read my other book