There was a cooperation of spies in the underground city of Seoul. There had been numerous kidnapping that occurred throughout the past few months. The kidnapping organisation call themselves the Jokers. The victims? Famous k-pop idols, both group and soloists, gender did not matter to this fellow kidnappers. It was believed that the group BTS were to be their next target. Yuna, a former trainee has been assigned to be working as an undercover manager of BTS to protect them from any harm while keeping her identity to herself. There were rules set for her to follow. 1. Do not trust anyone throughout the mission. 2. Report everything that was witnessed. 3. DO NOT FALL IN WITH ANYONE. Will she succeed to protect BTS from danger? Plis enjoy reading this fanfiction💕💕