I Have a Shuttle Mirror

I built a time-travel mirror myself. My hands were itchy, so I gave it a try first. If I could brush it, I traveled from the 88th century to the 21st century, and even wore it on the body of a 16-year-old child from a wealthy family. But, I was cheated and I can't go back. I have to find a way to go back and deal with the company that lied to me. Just then, someone knocked on the door... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.