*Source video: YouTube
*OP subtitle: Yes, I made it by myself.
*OP source: Phantom of Light (from YouTube)
*Summary: A new character name is "Shinsha", she's the daughter of Rimuru Tempest and the narrator says "This is another world reflected in the mirror but it's different from the real world".
*Note: This is Game only but this video file is short animation cutscene.
Google Drive DDL: https://drive.google.com/file/d/1OgbiHpfXqumk7YsiE1Ei6tESS611XFWf/view?usp=sharing
I'm done. I made English subtitle.