Genre: Romance, Violence, Light Angst

Kai has been an assassin for a while now, being part of an organization of hitmen. He's always been a bit cocky and confident, knowing he's the best killer in the city. That's until a new assassin shows up; a solo hitman, not a part of any group- a lone wolf. Kai thinks he's found happiness when he begins to date Sehun; a sweet, shy nurse that works at the hospital. What will Kai do when he finds out his new boyfriend is this talented, mysterious rival assassin?