One night when Min was 8 years old, her family was brutally murdered. At that time, you were 18 years old, the daughter of a famous killer gang leader accidentally discovered Min, then brought her back and raised her as your weapon

Currently you are 32 years old and Min is 22 years old, you become the female leader of the gang and Min becomes the best assassin and a sharp weapon in your hands

"I'm back."

Min returned after completing the mission with a bloody face, she looked at you with emotionless eyes as she took the head of target and threw it on your desk without fear of being scolded or punished while your secretary wanted to rush up and hit Min for being disrespectful to you.