"Um."
Qing Shu Lian sat down on the sofa and raised his hand, pretending to fix his hair beside his ear. A small bug was placed behind his ear and it was retrieved along with his movements just now.
As a mechanic, he was very proficient in making countless small devices. This thing was only one of them.
It was a transmission and listening device.
The other bugs were in the hands of Nan Hua and Feng Yu Hua. This was one of their methods of communication that was done in secret. After all, even if they met each other every day, it was not very convenient to discuss everything openly in front of other people.
And if they only met between the three of them, it was easy to arouse suspicion from the watchers.
After all, he and Feng Yu Hua's identity was still being watched.
