The Domineering and Cold-Blooded Poison Doctor

"Master Leng, the target is now XX Building, 69th floor, room 697." The subordinate's report came through the earphones. She did not respond. She just adjusted her lying position and then moved a little bit with the sniper rifle. From the scope, she could see that the target of her operation was alone on the balcony outside the room. The danger is coming, but the middle-aged man who is the target is still unaware of it, with an anxious look on his face, and he is talking into his mobile phone. With a cold expression on her face, she aimed her crosshairs at the target exactly, and then...