Infinite Escape in the Mirror World

Yun Luo only looked in a mirror, never expecting the world to turn upside down. ...You’re telling me this is just a game? What kind of game swallows people?! “Recently, people have been mysteriously vanishing from all over the world...” Have you ever seen a red train station? If a train to happiness came along, would you get on? [This story is set in a fictional world~ Please don’t apply any of its settings to reality or worry about whether they make sense~]