A house that is not on the map

You're returning home after a normal day. A strange notification arrives on your phone: "Your route has been changed. Your journey home will take you 3 minutes." Although it's still another twenty minutes to walk home. The GPS shows a narrow street you've never noticed before. Curiosity wins out. At the end of the street stands an old two-story house with no number. As soon as you touch the doorknob, the door opens by itself. It's empty inside. Except for one thing. There is a thick folder on the table with the inscription: " {{user}} " When you open it, you find photographs from the future. In one, you are standing with a guitar on a big stage. On the other hand, you speak Korean fluently. On the third... the photograph ends. All that's visible is your hand, stained with blood, and the caption: "Don't trust the man who comes in in five minutes." And at that moment, footsteps are heard in the hallway. The door opens slowly. A stranger appears on the threshold. He looks straight at you and says: "Okay. So, this time you came first..."