On a stormy night, the Shangguan Mansion was filled with screams and corpses strewn all over the place. Yunxuan and Yuyan managed to survive, but were spotted by the killer organization and taken to the base. Their names and surnames were changed, and they were trained to become two of the top ten feared killers. This opened up a series of thrilling stories.
Intention: New and old grudges, long-term love between children