Blacklist: Supergirl x Male reader.

In this story. You are a bounty hunter that hunts down high value targets for the SAS and thier Allies. At age 17, you were brought in the SAS and were trained in special tactics and Assassination tasks for the SAS as more corrupt leaders that went into power. At the age of 19, you were finally let go to be a bounty hunter and you were nicknamed by criminals as the silent watcher and the red light of death. A new terrorist group formed known as the blacklist and made their way to a city in America, you headed back to America (your origin will be explained In the story) to find the blacklist in the city called National City. But as you were assigned a task to eliminate the threat, a certain blonde walks in your life again...