Red and Blue Blooded Assassins(Karma x Nagis...
First time writing one of these! P.S. Do not read this if you don't like gun use and violence, go one and read it if you are comfortable with this.
Nagisa is the shyest and most quietest person in school. Nothing ever happened in his life as far as other people are concerned, but he's more dangerous than anyone. Karma is the most popular person in school, and when he meets Nagisa, their lives change forever.