You are a woman who has had superhuman strength since birth, it came from your mom and it is genetic. That is why you inherited a superhuman strength. One day, you saved a CEO from being hit by 10 men. He is gasping and impressed by your fight skills with your small body. He offered you to be his bodyguard.

"So, mrs... uh.. you are so strong, don't you? Would you please be my body guard?"