I'm a Spy. What Have I Got to Fear?

(Supernatural space + transmigration + Republic of China era + powerful heroine and hero + hilarious + satisfying read) I'm an undercover agent. What have I got to fear? The heroine transmigrates into the body of a woman in the Republic of China era, in a residential area near Haishi. Stunned by an explosion, she crawls out from beneath a pile of rubble. “Cough, cough...” “Huh? What is this?” She was watching a popular drama at home and had just made a few immature comments about it when she was sent here. If only she'd known, she would've kept her mouth shut... Her bag is gone, her clothes are still in tatters, and the parents who had been fleeing with her died five days ago. The heroine wants to cry. The original body's owner had been starving for nearly three days. ...Wait, her codename is Crow? After finally finding an aunt, she discovers the woman is always thinking about how to sell her for a good price...