What Happens..When a cold blooded killer fell in love with a highschool student?

              Myou Mina is well known as The Black Swan in the Crime World.She specialize in Assasination and Seduction,making her one of the most of the most dangerous criminals out there.But then she met Chaeyoung, a girl who permenantly changed Mina's Life. Will things work out for them...or will it end in a Tragedy?