The story is about: The life and death separation between the time-traveling girl and the killer girl (moment)]
The original "death joke" in the article comes from the work written by Rumiko Takahashi: "Mermaid Forest"
"Are you afraid of death?"
"Afraid. "
"Why?"
"Because, when you die, you can no longer keep the promises you made while alive."
"So what if you never die?"
"Afraid too. "
"Why?"
"Because the living must bear the pain of all the dead. "
Intention: