The Demon Concubine Dominates the World

Night fell quietly, and this gorgeous villa was shrouded in light, and a petite black shadow sneaked in silently. After a few neat movements, he arrived at the master bedroom on the second floor. This villa has a good security system, but she cracked it an hour ago. She thought it was such a difficult task to kill two A-level killers in the organization, but it was just a mere infrared and high-intensity security system. "Oh, I found the target." A fine silenced pistol was raised, aimed, and fired. A bullet went straight through the back of the man's head and hit the woman between the eyebrows...