Battle scars (Bucky Barnes x reader)

COMPLETED
What happens when you add a third to the dynamic duo of Steve Rogers and Bucky Barnes? Y/n was best friends with Bucky and Steve until they both left her alone in the world. She had felt so lost without them until she heard there was a chance at a new life. What will she do when tasked with the mission of becoming a sleeper agent and waking up years later to meet her long lost friends? And how will their adventures change throughout the years they have been apart?