Shooting Honkai Impact in a Collapsed World

Kevin: Let me make a movie?Want to play Siegfried?No way, I'm not that kind of playboy.
Mei: I'm a scientist. I don't have the power of Raiden Mei, so I can't do anything.
Su: I have no objection to playing Walter Young, but can you not let him go through life and death so many times?
All in all, this is a story about traveling to civilization before the collapse of the third century and changing the future by making movies.
“Then, traveler from another world, what kind of story will you bring me♪”
Mysterious code: Lu San Er Lu Yi Lu Si Ling Lu