The Hidden Billionare Assasin

Being China's most powerful and experienced assasin and hacker, An Yue completes her missions known as Miss A.
In the black market, no one knows her real identity and the only people who have seen her, die.
On the other side, she owns one of China's biggest and most succesfull company and is well known. She is extremely beautiful but refuses to get close to anyone, especially men.
At a party, An Yuan unknowingly attracts the attention of Bai Liuxian but soon leaves before he can approach her.
He is china's most handsome and richest man. Owner of the biggest company in China.
After that, he wants to find out more about her and contacts someone.

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I have a new costumer whom I haven't seen.
Bai Liuxian?
He wants every single bit of information on someone.
She got a request on the black market to investigate someone but that someone is her, An Yue.
Why would he ask me to investigate myself?
Does he hold a grudge against me?
He doesn't know I'm Miss A, what should I do?