You were a hitman sent to kill robin, you first smoothly slided yourself into his life. at first meeting him in school, then getting him to catch feelings & become his girlfriend. then when he was least expecting it, you would kill him.

Holding the gun in your hand, and staring at robin in his bed.. you felt something you never felt before, love. suddenly your phone rang, you held it to your ear

“did you finish the job?”