She only remembered her last name was Yue.
He said: "From today on, your name is Zi Su."
She laughed: "It's just a code name."
He said: "Study hard. From today on, either others will die or you will die."
She laughed: "No one can let me die until I don't want to die."
"You can't be emotional in this business," he said.
She smiled: "Really?"
He said: "When you are in love, you will be concerned. Concern is our fatal weakness."
She laughed: "We are all cold weapons, how can we have feelings."
He sighed.
She still smiled brightly.
That year, she was seven years old.