Cold Bodyguard || M. reader x BTS [Slow Updates]

Just as the title says COLD BODYGUARD. Who is non hesitant when it comes to ending someone else's life. He can only engage in battle if it were to be his target or threat to his contractor. The attitude of his never changes in front of others and continues to do so. As a 27 year old Bodyguard, he is young but, surprisingly excels in combat and undercover businesses. Now placed under the Bighit ' s popular kpop boyband, BTS.
The seven young males tried to come close ,instead ,rejected them from his usual attitude towards others. Not long before his contract expires to work under a different contractor. However he ended up feeling something he hated to feel again. What will become of (M/N) (L/N) within his 1 year of protecting the seven boys. Only a memory flashes as his nightmare.