Ordinary city dwellers who accidentally fall and scrape themselves can usually get by with some hydrogen peroxide for disinfection, but such medications are very difficult to kill parasites and fungal spores. These harmful organisms also struggle to survive on the clean, paved roads of the city, which is why many people lack awareness of them.
Su Wen's well-intentioned reminder upon stepping out startled the two sisters considerably.
Imagine someone suddenly appearing beside you in the pitch-black forest—wouldn't anyone be scared out of their wits?
The flashlights of both sisters shone on Su Wen's face almost simultaneously, and only after they confirmed that the speaker was a person, not a ghost, did they breathe a sigh of relief.
However, they remained cautious. The older sister sized up Su Wen with her flashlight before asking, "Who are you, and what are you doing here?"