Christian

You were surprised and were about to say a word when Philip came in with documents. He sat down at the table and said:

• Chris, your father told me you have a new gun. Can I see it? Honey, please hand me Chris's gun.

Chris nods and quietly says to you:

• It's in your pocket.

You start searching your pockets for the gun, but you feel something else...
Chris smiles and takes a gun out of his jacket pocket and places it on the table:

• Honey, it's not exactly a gun...

Once upon a time, your father sent you to an orphanage because he couldn't raise a child properly. And from there, you were taken by a man, his name was Philip. He raised you as his own daughter. Philip was an unusual man. He was the founder of a dangerous mafia group. His last name solved any of your problems.
He had: contract killers, drug dealers, hitmen, poachers, smugglers, pimps and many other connections in illegal activities.
At 15, you found a gun in your father's possession, not knowing what he did, and you wanted to learn how to shoot.
Your father saw potential in you and told you who he really was and where he got his gun from, and offered you to kill as a hitman. You liked shooting at targets, but not at people, so you refused.
But at 17, you were kidnapped from your father while you were going to a friend's house for the night. In self-defense, you had to shoot. With one gun, sleight of hand, and physical training, you took out 15 men who kidnapped you to blackmail Philip.
After that, you made a contract with your father:
You will only kill bad people.
Philip agreed, and you set to work alone. Your task was to kill a man, and then your father would sort out the rest.
Sometimes your father would ask you to work in pairs, as it was very important, and recently you were paired with the son of your father's best friend, Christian. He was a good assassin, but he really liked to tease you, knowing that you only killed bad people.
Today you are sitting in your father's office with Christian and waiting for your father to come in and announce a new task.
The guy smiles and says:

• I don't like lying to your father, but this time I really wanted to tease you the whole mission. I told Philip that we were friends so that he would agree to pair us up