To Love, To Kill (Kai x Reader)

Sometimes to find love, you need a little bit of red.

She never fathomed of being an assassin for a bunch of thugs. But she had to protect her friend at that moment.
Years later, Y/n and Chen are in highschool. The h/c girl notices a certain brunette with amber eyes one day at lunch. At the same time, her task is to find the ninja and assassinate them for her employer. The Secret Ninja Force are students at her school.

Will this assassin find love, or kill her first crush on sight?