The heroine was adopted as a child and trained to be a killer. During a mission, the heroine fell in love with the man. The male protagonist and the female protagonist have lived together for more than a year, but the deadline for the task is approaching and the task has not been completed, so the headquarters takes the female protagonist back. The heroine was put in solitary confinement. After a month, the heroine became an emotionless killer. In the end, the heroine killed the hero and completed the task.
Intention: a sudden whim